1

closure size: 5
0 1 1 2 2 3 3 4 4
1 0 2 1 3 2 4 3 4
1 2 0 3 1 4 2 4 3
2 1 3 0 4 1 4 2 3
2 3 1 4 0 4 1 3 2
3 2 4 1 4 0 3 1 2
3 4 2 4 1 3 0 2 1
4 3 4 2 3 1 2 0 1
4 4 3 3 2 2 1 1 0