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