16 156 7
1 1 1 1 1 2 4 3 4 4 2 2 6 7 4 4 4 7 5 4 7 2 4 5 5 6 6 5 6 7 7 7 4 4 2 6 1 4 1 7 7 1 4 7 7 7 4 7 4 7 3 2 4 4 2 5 2 6 4 4 7 7 5 4 4 7 3 5 7 2 4 7 7 6 7 4 4 4 3 7 4 7 4 7 2 4 4 4 7 5 6 4 4 4 7 4 4 4 7 6 2 4 4 7 7 4 7 4 4 4 4 4 4 7 6 3 4 1 4 5 5 4 7 7 3 5 4 7 4 4 5 7 6 6 7 4 4 5 5 4 4 4 4 4 4 7 4 1 4 5 7 2 4 7 4 4
0 4 0 7 6 0 0 0 4 7 4 0 7 4 4 4
0 0 7 7 4 0 0 4 2 0 6 0 4 0 7 0
0 0 5 0 0 0 0 7 7 0 7 4 4 0 7 2
0 5 0 0 4 2 4 0 5 0 0 4 4 4 0 4
0 4 0 4 4 0 4 2 0 7 7 5 4 5 2 4
0 7 0 0 4 1 4 7 4 7 4 7 0 7 4 6
0 4 0 0 6 0 0 7 4 4 4 7 0 0 0 0
7 5 6 1 1 0 2 5 4 4 0 5 0 7 3 6
0 4 0 4 0 4 0 4 0 3 0 0 0 0 4 0
0 4 4 5 5 0 5 2 4 0 2 4 4 7 0 3
4 6 0 7 0 7 4 0 5 5 0 0 4 0 7 0
0 0 7 0 0 1 4 0 4 0 4 0 7 4 0 0
7 4 0 0 4 6 4 7 0 4 7 0 2 0 6 2
0 7 3 1 6 4 0 0 6 4 5 0 0 0 0 0
3 7 4 7 7 0 4 0 7 2 0 0 0 0 4 2
7 0 5 4 7 0 0 4 6 0 3 0 0 0 7 4
