C =
S =
R =
P =
0
C = A, B, C, D, E, F, G, H, I
S = A, B, C, D, E, F, G, H, I
R = A, B, C, D, E, F, G, H, I
P = A, B, C, D, E, F, G, H, I
9
C = A, B, D, E, F, G, I
S = A, B, C, D, G, I
R = A, B, C, E, G, I
P = A, B, C, E, F, G, H, I
7
6
8
C = C, D, H
S = E, F, H
R = D, F, H
P = D, E, G
3
C = A, B, C, E, F, G, H, I
P = A, B, C, D, F, H, I