Table:
0
A
B
C
D
E
F
G
H
I
J
1
D 39 √
D 40 √
D 41 √
D 42 √
D 43 √
D 44 √
D 45 √
D 46 √
D 47 √
D 48 √
2
D 18
D 17
D 16
D 15
D 14
D 13
D 12
D 11
D 10
D 9
3
D 19
D 20
D 21
D 22
D 23
D 24
D 25
D 26
D 27
D 28
4
D 38
D 37
D 36
D 35
D 34
D 33
D 32
D 31
D 30
D 29
5
D 39 √
D 40 √
D 41 √
D 42 √
D 43 √
D 44 √
D 45 √
D 46 √
D 47 √
D 48 √
6
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
D 49 O
7
R 41 O
R 42 +
R 43 +
R 44 +
R 45 +
R 46 +
R 47 +
D 51 O
D 50 O
D 49 O
8
R 40 O
R 39 O
R 38 O
R 37 O
R 36 O
R 35 O
R 34 √
R 33 √
R 32 √
R 31 √
9
R 21
R 22
R 23
R 24 √
R 25 √
R 26 √
R 27 √
R 28 √
R 29 √
R 30 √
10
R 20
R 19
R 18
R 17
R 16
R 15
R 14
R 13
R 12
R 11
11
R 1
R 2
R 3
R 4
R 5
R 6
R 7
R 8
R 9
R 10

Questions and formulas:
Question: What's the D 48 √ when the D 40 √ is D 37?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,B1="d 37"),10))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,B2:B11="d 37"),10))
Level: medium
Question: What's the D 42 √ when D 46 √ is majority→?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,H1="majority→"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,H2:H11="majority→"),4))
Level: medium
Question: What's the D 40 √ when D 43 √ is d 14?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,E1="d 14"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,E2:E11="d 14"),2))
Level: medium
Question: What's the D 42 √ when D 44 √ is majority→?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,F1="majority→"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,F2:F11="majority→"),4))
Level: medium
Question: What's the D 44 √ when D 46 √ is d 26?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,H1="d 26"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,H2:H11="d 26"),6))
Level: medium
Question: What's the D 42 √ when D 43 √ is r 5?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,E1="r 5"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,E2:E11="r 5"),4))
Level: medium