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27 28 28 nan nan nan 26 25 25 24 24 23 22 22 21 nan nan nan nan nan nan 24 26 27 28 27 25 24 23 22 22 21 21 22 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 3 3 2 2 2 1 1 1 0 0 1 2 2 3 3 3 4 4 5 6 7 7 8 9 10 11 12 13 14 16 17 18 19 19 20 21 21 21 21 20 20 19 18 17 16 16 15 14 14 14 14 14 14 14 14 14 14 14 15 15 16 16 17 16 16 16 16 16 16 17 17 17 18 18 19 19 19 17 14 11 9 7 5 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 21 19 18 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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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 8 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 4 4 3 3 3 2 2 2 2 2 2 2 2 2 2 2 nan nan nan 3 3 4 4 4 5 5 5 6 7 8 8 9 10 12 13 14 15 17 18 18 19 20 21 21 22 22 22 21 20 19 18 16 15 15 15 15 15 14 14 14 14 14 14 14 14 15 15 15 15 15 16 16 16 16 17 17 17 17 18 18 19 19 17 16 nan nan nan 9 9 9 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 20 19 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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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