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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 11 11 12 12 13 13 13 13 14 14 15 17 18 19 21 22 20 17 14 nan nan nan nan nan nan nan nan nan nan nan 11 12 12 13 13 14 15 15 15 15 15 15 15 14 15 15 16 16 16 16 16 15 14 13 11 nan nan nan nan nan nan nan nan nan 10 11 10 nan nan nan nan nan nan nan nan nan nan 10 11 12 13 12 12 11 11 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 10 nan nan nan nan 10 10 10 nan nan 10 nan 11 12 12 13 12 11 10 10 nan nan nan nan nan nan nan nan nan nan nan nan 10 12 13 12 11 nan nan nan nan nan nan nan nan nan nan nan nan 13 14 13 11 nan nan nan nan nan nan 11 11 11 11 11 12 12 13 13 13 12 11 nan nan nan nan nan nan 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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 10 10 nan nan nan nan nan 10 11 12 12 11 11 10 10 10 nan nan nan nan nan nan nan nan nan nan nan 11 12 12 12 nan nan nan nan nan nan nan nan nan nan nan nan 11 13 13 12 nan nan nan nan nan nan 11 nan nan 10 10 11 12 12 13 13 13 12 11 nan nan nan nan 10 nan nan 11 12 12 12 12 13 13 13 13 12 11 10 10 nan nan nan nan nan 10 12 12 11 11 10 10 10 11 12 13 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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11 11 12 13 13 14 14 14 15 17 18 19 19 21 23 25 24 25 22 16 nan nan nan nan nan nan nan nan nan nan nan nan nan nan 11 12 13 14 15 15 15 15 16 16 15 15 16 16 16 17 16 16 15 14 13 12 10 nan nan nan nan nan nan nan nan nan nan 10 10 nan nan nan nan nan nan nan nan nan nan 11 12 13 13 12 12 11 10 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 10 11 11 10 10 10 10 nan nan nan nan nan nan nan nan nan nan nan nan 11 12 12 12 11 nan nan nan nan nan nan nan nan nan nan nan nan 12 13 13 nan nan nan nan nan nan nan nan nan nan nan 10 11 12 13 13 13 12 11 10 nan nan nan nan nan nan 10 12 12 12 12 12 13 13 12 11 11 nan nan nan nan nan nan nan nan 12 12 11 11 11 11 10 nan 11 11 12 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 10 10 11 11 11 11 11 12 12 13 13 13 13 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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