Table:
0
A
B
C
D
E
F
G
H
I
J
1
D 41 O
D 42 O
D 43 O
D 44 O
D 45 +
R 55 +
R 54 +
R 53 +
R 52 O
R 51 O
2
D 20
D 19
D 18
D 17
D 16
D 15
D 14
D 13
D 12
D 11
3
D 21
D 22
D 23
D 24
D 25
D 26
D 27
D 28
D 29
D 30
4
D 40 O
D 39 √
D 38 √
D 37 √
D 36 √
D 35 √
D 34 √
D 33 √
D 32
D 31
5
D 41 O
D 42 O
D 43 O
D 44 O
D 45 +
R 55 +
R 54 +
R 53 +
R 52 O
R 51 O
6
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
Majority→
R 51 O
7
R 41 √
R 42 √
R 43 √
R 44 √
R 45 √
R 46 √
R 47 O
R 48 O
R 49 O
R 50 O
8
R 40 √
R 39 √
R 38 √
R 37 √
R 36 √
R 35 √
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: Which R 51 O value corresponds to a D 42 O value of r 19?
Formula: FILTER(J1,B1="r 19")
Formula2: FILTER(J2:J11,B2:B11="r 19")
Level: easy