2
100  0 -4 0   1  1 0 0 1  .4 1.3 .01 10 0
100  0  4 0   1  1 0 0 1  .4 1.3 .01 10 0
3
0  0 0   1 0 1    2      2
2  0 0   0 1 0    2      2
-2 0 0   0 0 1    2      2