20
19 17 16 20 11 14 13 15 18 12 
17 20 11 18 16 12 14 19 15 13 
19 20 17 11 13 16 14 18 12 15 
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19 14 15 11 17 16 12 18 20 13 
20 12 13 18 17 16 15 11 19 14 
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18 13 16 17 12 19 11 14 15 20 
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