1,0,0,0,0,0,0
2,1,0,0,1,0,0
3,0,0,0,0,0,0
4,0,0,1,0,0,0
5,0,1,0,0,0,0
6,0,0,0,0,0,0
7,2,0,0,0,0,0
3558,1,0,0,0,0,0
