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