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