19 13
20  1  0  0  0  0  0  0  0  0  0  0  0
30  0  0  1  0  0  0  0  0 -1  0 -1  0
40  0  0  0  1  0  0 -1  0  1  0  1  0
50  0  0  0  0  0  0  0  1 -1  0  0  0
60  0  0  0  0  0  0  0  0  0  1 -1  0
71  0  0  0  0  0 -1  0  0  0  0  0  0
81  0  0  0  0 -1  0  0  0  0  0  0  0
91  0  1  0  0  0  0  0  0  0  0  0 -1
101  0  0  0  0  0  0  0  0  0  0  0  1
11
120 2
13
14