根据题意列表得出:
0 | 1 | 2 | 3 | 4 | 5 | |
0 | (0,0) | (0,1) | (0,2) | (0,3) | (0,4) | (0,5) |
1 | (1,0) | (1,1) | (1,2) | (1,3) | (1,4) | (1,5) |
2 | (2,0) | (2,1) | (2,2) | (2,3) | (2,4) | (2,5) |
3 | (3,0) | (3,1) | (3,2) | (3,3) | (3,4) | (3,5) |
4 | (4,0) | (4,1) | (4,2) | (4,3) | (4,4) | (4,5) |
5 | (5,0) | (5,1) | (5,2) | (5,3) | (5,4) | (5,5) |
5 |
5 |
2 |
9 |