[[0,0],[1,0],[8,21]]
[[0,0],[1,0],[5,21]]
[[0,0],[1,0],[1,21]]
[[0,0],[1,0],[2,21]]
[[0,0],[1,0],[15,21]]
[[0,0],[1,0],[4,21]]
[[0,0],[1,0],[10,21]]
[[0,0],[1,0],[13,21]]
