1,0,0,1,0,0,0
2,1,0,1,0,0,0
3,1,0,1,0,0,0
4,0,1,0,0,0,0
5,0,0,0,0,0,0
6,0,0,0,0,0,0
8,0,1,0,0,0,0
1839,1,1,0,0,0,0
