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