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9 4 0
0.0 2.0 0.0
1.0 2.0 0.0
2.0 2.0 0.0
0.0 1.0 1.0
1.0 1.0 1.0
2.0 1.0 1.0
0.0 0.0 2.0
1.0 0.0 2.0
2.0 0.0 2.0

4 0 1 4 3
4 1 2 5 4
4 3 4 7 6
4 4 5 8 7