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Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 1 4 2
4 2 3 1
1 4 . 3
2 3 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 1 4
1 4 3 2
4 3 2 1
. 1 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: A Sudoku column reads: 5 1 7 8 3 9 ? 6 4. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: the ... |
Question: A Sudoku row reads: ? 7 8 9 3 1 2 6 4. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 6 7 8 9, which sum to 1 + 2 + 3 + 4 + 6 + 7 + 8 + 9 = 40.
- 1 through 9 sum to 45, so the missing digit is 45 - 40 = 5.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 2 .
2 1 4 3
1 4 3 2
3 2 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku row reads: 3 ? 6 7 9 1 2 8 4. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 6 7 8 9, which sum to 1 + 2 + 3 + 4 + 6 + 7 + 8 + 9 = 40.
- 1 through 9 sum to 45, so the missing digit is 45 - 40 = 5.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 2 1
2 1 4 3
3 2 1 4
1 4 3 .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 3 4
2 3 4 .
4 1 2 3
3 4 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku 3x3 box reads: 6 ? 5 4 2 8 3 7 1. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 7 8, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36.
- 1 through 9 sum to 45, so the missing digit is 45 - 36 = 9.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 4 2 1
1 3 4 2
4 2 . 3
2 1 3 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 3 2
4 3 2 1
2 1 4 3
3 2 . .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r4c3: row has [2, 3], column has [2, 3, 4] -> only 1 fits.
- Cell r4c4: row has [1, 2, 3], colum... |
Question: A Sudoku column reads: 5 4 7 ? 2 8 9 1 6. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 4 5 6 7 8 9, which sum to 1 + 2 + 4 + 5 + 6 + 7 + 8 + 9 = 42.
- 1 through 9 sum to 45, so the missing digit is 45 - 42 = 3.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 2 1 3
2 1 3 4
3 4 2 1
1 3 4 .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 4 1
. 1 3 2
2 4 1 3
1 . 2 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c1: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits.
- Cell r4c2: row has [1, 2, 4], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 . 3 2
2 4 1 3
1 3 2 .
3 2 4 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits.
- Cell r3c4: row has [1, 2, 3], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 1 2
3 1 2 4
2 4 3 1
1 . 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 1 4 .
1 4 2 3
4 2 3 1
2 3 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 3 2
4 3 . 1
2 1 4 3
3 2 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 4 3
3 1 2 4
4 3 . 2
2 4 3 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku column reads: 5 2 1 7 9 4 ? 6 8. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 4 5 6 7 8 9, which sum to 1 + 2 + 4 + 5 + 6 + 7 + 8 + 9 = 42.
- 1 through 9 sum to 45, so the missing digit is 45 - 42 = 3.
- check: the ... |
Question: A Sudoku row reads: 4 1 2 7 ? 8 3 5 9. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 7 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 = 39.
- 1 through 9 sum to 45, so the missing digit is 45 - 39 = 6.
- check: the full r... |
Question: A Sudoku column reads: ? 5 2 7 6 4 9 8 3. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 2 3 4 5 6 7 8 9, which sum to 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44.
- 1 through 9 sum to 45, so the missing digit is 45 - 44 = 1.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 . 3
4 2 3 1
2 3 1 4
3 1 4 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 1 4
1 . 3 .
2 1 4 3
4 3 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c2: row has [1, 3], column has [1, 2, 3] -> only 4 fits.
- Cell r2c4: row has [1, 3, 4], colum... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 3 2 4
4 1 3 2
3 . 4 1
2 4 1 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 3 4
4 1 2 3
. 4 1 2
2 3 4 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 . 4
4 3 2 1
2 1 4 .
1 4 3 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c3: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits.
- Cell r3c4: row has [1, 2, 4], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 4 3
2 4 3 1
3 1 2 .
4 3 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: A Sudoku row reads: 4 3 8 7 ? 6 2 5 9. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 2 3 4 5 6 7 8 9, which sum to 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44.
- 1 through 9 sum to 45, so the missing digit is 45 - 44 = 1.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 . 1
2 . 4 3
1 4 . 2
3 2 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c3: row has [1, 3, 4], column has [1, 4] -> only 2 fits.
- Cell r2c2: row has [2, 3, 4], colum... |
Question: A Sudoku row reads: 8 6 5 3 9 4 ? 1 7. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 4 3
4 3 . 2
3 1 2 4
2 4 3 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 2 1
3 2 1 4
1 4 3 2
2 . 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku column reads: 6 4 2 3 9 7 8 ? 1. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 6 7 8 9, which sum to 1 + 2 + 3 + 4 + 6 + 7 + 8 + 9 = 40.
- 1 through 9 sum to 45, so the missing digit is 45 - 40 = 5.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 4 1
4 1 3 2
1 . . 4
2 4 1 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r3c2: row has [1, 4], column has [1, 2, 4] -> only 3 fits.
- Cell r3c3: row has [1, 3, 4], colum... |
Question: A Sudoku column reads: 8 2 3 4 7 5 9 6 ?. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 2 3 4 5 6 7 8 9, which sum to 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44.
- 1 through 9 sum to 45, so the missing digit is 45 - 44 = 1.
- check: the ... |
Question: A Sudoku row reads: 8 5 1 ? 3 6 4 7 9. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 . 3 1
4 3 1 2
3 1 2 4
. . 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 2, 3], column has [1, 3] -> only 4 fits.
- Cell r4c1: row has [3, 4], column h... |
Question: A Sudoku column reads: 1 7 3 6 4 ? 5 9 8. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: the ... |
Question: A Sudoku column reads: 8 5 6 3 ? 4 9 1 2. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 = 38.
- 1 through 9 sum to 45, so the missing digit is 45 - 38 = 7.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 3 4 .
1 2 3 4
4 1 2 3
3 4 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 . 2 1
3 2 1 4
1 4 3 2
2 . . 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 2, 4], column has [2, 4] -> only 3 fits.
- Cell r4c2: row has [2, 3], column h... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 4 3
4 3 1 .
2 4 3 1
3 1 . 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c4: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits.
- Cell r4c3: row has [1, 3, 4], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 2 1 3
1 . 4 2
3 4 2 1
2 1 3 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 . 1 2
2 4 . 1
3 1 2 4
1 2 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits.
- Cell r2c3: row has [1, 2, 4], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 2 3 1
3 1 4 2
1 4 . 3
2 3 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 1 3 .
4 2 1 3
1 3 4 2
3 4 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 3 2 4
. 1 3 2
3 2 4 1
2 4 1 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 3 4 1
3 4 1 2
4 . 2 3
1 2 3 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 3 2 4
2 4 . 3
4 1 3 2
3 2 4 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 . 3 4
4 1 . 3
3 4 1 2
2 3 4 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits.
- Cell r2c3: row has [1, 3, 4], co... |
Question: A Sudoku column reads: 4 5 ? 7 1 2 3 9 8. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 7 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 = 39.
- 1 through 9 sum to 45, so the missing digit is 45 - 39 = 6.
- check: the ... |
Question: A Sudoku 3x3 box reads: 7 3 ? 2 5 8 6 9 1. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 5 6 7 8 9, which sum to 1 + 2 + 3 + 5 + 6 + 7 + 8 + 9 = 41.
- 1 through 9 sum to 45, so the missing digit is 45 - 41 = 4.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 4 3 1
1 2 4 .
3 1 2 4
4 3 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: A Sudoku column reads: 7 5 6 3 2 ? 8 4 9. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 2 3 4 5 6 7 8 9, which sum to 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44.
- 1 through 9 sum to 45, so the missing digit is 45 - 44 = 1.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 3 2 4
2 4 1 3
3 . 4 1
4 1 3 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: A Sudoku row reads: 9 3 4 7 6 2 1 5 ?. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 7 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 7 + 9 = 37.
- 1 through 9 sum to 45, so the missing digit is 45 - 37 = 8.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
4 3 . 2
2 4 3 1
3 1 2 4
1 2 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 1 4 3
. 3 2 1
3 2 1 .
1 4 3 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c1: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits.
- Cell r3c4: row has [1, 2, 3], co... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 1 2 4
1 2 4 .
4 3 1 2
2 4 3 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 3 .
4 1 2 3
2 3 4 1
3 4 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
. 1 2 4
4 3 1 2
1 2 4 3
. 4 3 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c1: row has [1, 2, 4], column has [1, 4] -> only 3 fits.
- Cell r4c1: row has [1, 3, 4], colum... |
Question: A Sudoku 3x3 box reads: 4 5 7 1 ? 6 9 2 8. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 4 5 6 7 8 9, which sum to 1 + 2 + 4 + 5 + 6 + 7 + 8 + 9 = 42.
- 1 through 9 sum to 45, so the missing digit is 45 - 42 = 3.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 1 3 4
1 3 4 2
4 2 1 .
3 4 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 . 4
3 4 1 2
4 1 2 3
. 3 4 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits.
- Cell r4c1: row has [1, 3, 4], co... |
Question: A Sudoku row reads: 8 3 4 5 7 6 9 ? 1. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 4 1 2
1 2 . 4
. 1 2 3
2 3 . 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c3: row has [1, 2, 4], column has [1, 2] -> only 3 fits.
- Cell r3c1: row has [1, 2, 3], colum... |
Question: A Sudoku 3x3 box reads: 5 2 1 3 6 7 8 4 ?. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 7 8, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36.
- 1 through 9 sum to 45, so the missing digit is 45 - 36 = 9.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 . 3 1
4 3 1 2
1 2 4 3
. 1 2 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits.
- Cell r4c1: row has [1, 2, 4], co... |
Question: A Sudoku 3x3 box reads: 7 9 ? 1 6 5 4 3 2. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 7 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 7 + 9 = 37.
- 1 through 9 sum to 45, so the missing digit is 45 - 37 = 8.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 4 . 1
4 2 1 3
1 3 4 2
2 1 3 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 4 3 1
. 3 1 2
. 2 4 3
3 1 2 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c1: row has [1, 2, 3], column has [2, 3] -> only 4 fits.
- Cell r3c1: row has [2, 3, 4], colum... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 1 4
2 . 4 3
4 3 2 1
1 4 3 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku row reads: 1 2 9 3 8 6 5 7 ?. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 5 6 7 8 9, which sum to 1 + 2 + 3 + 5 + 6 + 7 + 8 + 9 = 41.
- 1 through 9 sum to 45, so the missing digit is 45 - 41 = 4.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 4 3
2 . 3 1
3 . 2 .
4 3 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c2: row has [1, 2, 3], column has [2, 3] -> only 4 fits.
- Cell r3c2: row has [2, 3], column h... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
. 4 1 3
3 2 4 1
1 3 . 4
4 1 3 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c1: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits.
- Cell r3c3: row has [1, 3, 4], co... |
Question: A Sudoku 3x3 box reads: 3 1 ? 8 4 9 7 5 6. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 3 4 5 6 7 8 9, which sum to 1 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 43.
- 1 through 9 sum to 45, so the missing digit is 45 - 43 = 2.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 1 4
. 1 4 3
1 4 3 2
4 3 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: A Sudoku row reads: 8 2 1 5 4 7 3 9 ?. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 7 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 = 39.
- 1 through 9 sum to 45, so the missing digit is 45 - 39 = 6.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 2 1 4
1 4 3 2
2 1 . 3
4 3 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: A Sudoku 3x3 box reads: 9 8 1 2 7 6 5 ? 3. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 5 6 7 8 9, which sum to 1 + 2 + 3 + 5 + 6 + 7 + 8 + 9 = 41.
- 1 through 9 sum to 45, so the missing digit is 45 - 41 = 4.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 . 1 4
1 . 3 2
2 1 4 3
. 3 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c2: row has [1, 3, 4], column has [1, 3] -> only 2 fits.
- Cell r2c2: row has [1, 2, 3], colum... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 2 3 4
2 3 4 1
. 1 2 3
3 4 1 2
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r3 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 3 2
3 2 1 4
4 3 2 1
. 1 4 3
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 3 + 4 = 8.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 8 = 2.
- check: col... |
Question: A Sudoku column reads: 6 5 2 4 8 1 3 ? 9. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 = 38.
- 1 through 9 sum to 45, so the missing digit is 45 - 38 = 7.
- check: the ... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 1 3 .
1 3 4 2
4 2 1 3
3 4 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 2 + 3 = 6.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 6 = 4.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 3 2
3 2 1 4
2 1 4 3
4 . 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r4 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 . 4 3
3 2 1 4
1 4 3 2
4 3 2 1
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 3 . .
3 4 1 2
4 1 2 3
1 2 3 .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c3: row has [2, 3], column has [1, 2, 3] -> only 4 fits.
- Cell r1c4: row has [2, 3, 4], colum... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 4 1 .
1 2 3 4
2 3 4 1
4 1 2 .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c4: row has [1, 3, 4], column has [1, 4] -> only 2 fits.
- Cell r4c4: row has [1, 2, 4], colum... |
Question: A Sudoku column reads: 1 3 4 2 ? 8 5 7 9. What digit goes in the ? cell?
Let's think step by step.
- The column must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 7 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 = 39.
- 1 through 9 sum to 45, so the missing digit is 45 - 39 = 6.
- check: the ... |
Question: A Sudoku row reads: 4 7 ? 2 9 8 5 6 3. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 2 3 4 5 6 7 8 9, which sum to 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44.
- 1 through 9 sum to 45, so the missing digit is 45 - 44 = 1.
- check: the full r... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
3 1 2 4
1 . 4 3
4 3 1 2
2 4 3 .
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r2c2: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits.
- Cell r4c4: row has [2, 3, 4], co... |
Question: A Sudoku 3x3 box reads: 9 8 3 1 7 2 5 4 ?. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 7 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 = 39.
- 1 through 9 sum to 45, so the missing digit is 45 - 39 = 6.
- check: th... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
1 4 2 .
3 1 4 2
4 2 3 1
2 3 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r1 contains 1 + 2 + 4 = 7.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 7 = 3.
- check: col... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
. 4 . 2
2 3 4 1
4 1 2 3
1 2 3 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Cell r1c1: row has [2, 4], column has [1, 2, 4] -> only 3 fits.
- Cell r1c3: row has [2, 3, 4], colum... |
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once):
2 1 4 3
. 4 3 2
4 3 2 1
3 2 1 4
Let's think step by step.
- Each row and each column must contain 1, 2, 3, 4 exactly once.
- Row r2 contains 2 + 3 + 4 = 9.
- 1 + 2 + 3 + 4 = 10, so the missing digit is 10 - 9 = 1.
- check: col... |
Question: A Sudoku 3x3 box reads: 8 3 2 6 1 9 ? 4 5. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 = 38.
- 1 through 9 sum to 45, so the missing digit is 45 - 38 = 7.
- check: th... |
Question: A Sudoku 3x3 box reads: 9 2 6 3 4 ? 8 5 1. What digit goes in the ? cell?
Let's think step by step.
- The 3x3 box must contain each of 1-9 exactly once.
- Present digits: 1 2 3 4 5 6 8 9, which sum to 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 = 38.
- 1 through 9 sum to 45, so the missing digit is 45 - 38 = 7.
- check: th... |
Question: A Sudoku row reads: 9 1 7 8 6 2 ? 3 5. What digit goes in the ? cell?
Let's think step by step.
- The row must contain each of 1-9 exactly once.
- Present digits: 1 2 3 5 6 7 8 9, which sum to 1 + 2 + 3 + 5 + 6 + 7 + 8 + 9 = 41.
- 1 through 9 sum to 45, so the missing digit is 45 - 41 = 4.
- check: the full r... |
End of preview. Expand in Data Studio
lemonseed-sudoku
LemonSeed — 4x4 Latin-square / Sudoku completion with stepwise solving.
Contents
sudoku.jsonl(5000 rows)
Format
JSON Lines (.jsonl), one example per line.
Provenance
Synthetic, generated programmatically for the LemonSeed 1.5B project (by Geramy L. Loveless). Data authored by Michael Anthony Falabella.
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