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# File created from 2D grid of points.
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6.0 5.8 0.0
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8.0 8.0 8.0
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4 0 1 7 6
4 1 2 8 7
4 2 3 9 8
4 3 4 10 9
4 4 5 11 10
4 6 7 13 12
4 7 8 14 13
4 8 9 15 14
4 9 10 16 15
4 10 11 17 16
4 12 13 19 18
4 13 14 20 19
4 14 15 21 20
4 15 16 22 21
4 16 17 23 22