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# r
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#  
# s
# u
# b
# d
# i
# v
# i
# d
# e
# d
#  
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15 8 0
0.0 2.0 0.0
0.5 2.0 0.0
1.0 2.0 0.0
0.0 1.0 0.5
0.5 1.0 0.5
1.0 1.0 0.5
0.0 0.25 1.0
0.5 0.25 1.0
1.0 0.25 1.0
0.0 0.0 1.5
0.5 0.0 1.5
1.0 0.0 1.5
0.0 0.0 2.0
0.5 0.0 2.0
1.0 0.0 2.0

4 0 1 4 3
4 1 2 5 4
4 3 4 7 6
4 4 5 8 7
4 6 7 10 9
4 7 8 11 10
4 9 10 13 12
4 10 11 14 13