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