C = B, C, D, F, H, I
R = B, D, E, F
J = A, B, C, D, E, F, H, I
6
4
8
C = A, D, E, F, G, H, I
R = A, B, C, D, E, F, G, I
J = B, D, E, F, G
7
5
C = A, C, D, H, I
R = A, E, I
J = B, C, E, I
3
C = B, C, D, E, H
R = A, B, C, H
J = A, B, C, D, G, H, I
C = A, B, C, D, E, F, G, H
R = A, B, C, D, E, F, G, H, I
J = A, B, C, D, E, F, G, I
9
C = A, B, G, H
R = A, B, C, D, G, H, I
J = B, C, G, H
C = A, B, C, D, E, F, G, H, I
R = A, C, D, F, G, H, I
J = A, B, C, D, E, F, G, H, I
C = G
R = F, G, H
J = G, I
1
2
R = A, B, D, E, F, G, I
J = A, C, D, E, F, G, H, I
C = E, F
R = D, E, I
J = D, F, H
C = B, E
R = I
J = B, I
C = B, D, F, I
R = B, C, D, F
J = A, D, F, H, I
C = A, C, D, E, F, G, I
R = A, C, G
J = A, C, D, E, F, G, H
C = A, B, C, D, F, G, H, I
C = A, D, G, I
C = C, E, F, G, H, I
R = A, B, E, F, G, H
J = E, G
C = B, E, F
R = C, D, G, H, I
J = A, C, H, I
C = A, B, D, E, F, G, H, I
R = D, E, F, H
J = B, E
C = A, B, C, G
R = B, C, E, F, G, H
J = A, B, C, F, G
C = C, E, I
R = C, E, H
J = E
C = A, C, H
R = A, B, H, I
J = A, D, F, H