1,0,0,0,0,0,0
3,0,0,0,0,0,0
6,0,0,0,0,0,0
7,0,0,0,0,0,0
9,0,0,0,0,0,0
16,0,0,0,0,0,0
17,0,0,0,0,0,0
18,0,0,0,0,0,0
