A | B1 | B2 | C1 | C2 | |
A | - | (B1,A) | (B2,A) | (C1,A) | (C2,A) |
B1 | (A,B1) | - | (B2,B1) | (C1,B1) | (C2,B1) |
B2 | (A,B2) | (B1,B2) | - | (C1,B2) | (C2,B2) |
C1 | (A,C1) | (B1,C1) | (B2,C1) | - | (C2,C1) |
C2 | (A,C2) | (B1,C2) | (B2,C2) | (C1,C2) | - |
8 |
20 |
2 |
5 |
4 |
20 |
1 |
5 |
A | B1 | B2 | C1 | C2 | |
A | - | (B1,A) | (B2,A) | (C1,A) | (C2,A) |
B1 | (A,B1) | - | (B2,B1) | (C1,B1) | (C2,B1) |
B2 | (A,B2) | (B1,B2) | - | (C1,B2) | (C2,B2) |
C1 | (A,C1) | (B1,C1) | (B2,C1) | - | (C2,C1) |
C2 | (A,C2) | (B1,C2) | (B2,C2) | (C1,C2) | - |
8 |
20 |
2 |
5 |
4 |
20 |
1 |
5 |