6
[[0, 0, 0], [100, 0, 0], [0, 100, 0], [100, 100, 100],[100,100,0],[200,200,0]]
11
[[1, 2], [1, 3], [1, 4], [2, 4], [3, 4],[4,5],[2,5],[3,5],[2,6],[3,6],[4,6]]
3
[[1, [1, 1, 1]], [2, [0, 1, 1]], [3, [1, 0, 1]]]
3
[[-7, 6, 1],[5,6,2],[-10,6,3]]
