2	10
1	2.0	1.0
1	1.0     1.0
1       0.2     0.2
1       0.0     2.0
1       2.0     2.0
2       0.5     0.5
2      -0.5    -0.5
2       1.0    -1.0
2      -1.0     1.0
2       0.0    -2.0