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