20
13 14 15 12 16 11 19 17 18 20 
12 17 13 20 18 14 16 19 11 15 
13 14 15 11 12 20 16 19 17 18 
17 20 18 14 16 15 11 13 12 19 
16 11 12 19 15 14 20 17 18 13 
11 18 16 20 15 14 12 13 17 19 
12 20 15 14 13 16 17 11 18 19 
15 19 17 16 12 18 14 11 13 20 
16 11 17 14 15 12 19 13 18 20 
13 11 15 20 18 19 14 12 16 17 
6 1 9 3 7 8 4 5 10 2 
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7 5 1 9 4 3 10 2 6 8 
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2 8 3 9 1 5 6 10 7 4 
5 9 6 8 3 1 10 2 4 7 
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