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