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nan nan nan nan 48 49 49 50 51 51 51 51 51 51 51 51 51 51 50 50 50 50 50 49 48 47 45 43 42 41 41 41 41 41 41 40 40 39 39 39 39 39 39 39 38 38 37 37 36 36 36 36 36 36 36 36 36 35 35 35 34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 35 35 35 36 36 37 38 39 40 41 42 42 42 42 42 42 42 42 43 43 43 43 43 43 42 42 41 40 38 38 37 37 38 39 41 42 43 44 44 44 44 43 42 41 40 39 38 38 39 40 41 42 44 44 44 43 42 41 40 39 38 37 36 36 35 35 34 34 33 33 33 32 32 34 36 39 41 42 42 39 37 33 31 29 28 28 29 29 30 31 32 32 32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 33 33 32 32 32 32 32 32 31 31 31 31 30 30 29 29 28 28 28 28 29 29 29 29 29 29 28 28 28 28 28 28 27 26 26 25 25 25 25 24 23 23 23 23 23 22 23 23 23 23 22 22 21 21 21 21 22 22 22 22 22 21 21 20 20 19 19 18 18 18 19 19 19 18 18 18 18 18 19 19 20 20 20 20 20 20 19 19 19 19 19 19 20 21 22 22 23 23 23 22 22 22 22 22 21 21 21 21 21 21 21 21 20 20 21 21 21 21 21 20 20 19 19 19 20 21 22 22 22 21 20 20 19 19 18 18 18 17 17 17 18 18 19 20 21 21 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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 43 50 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 34 46 58 63 66 67 66 66 66 64 63 63 65 66 67 67 67 67 66 67 68 68 67 67 66 66 65 65 65 64 64 63 62 61 60 59 58 57 56 55 54 52 50 47 42 37 34 31 30 30 30 29 27 27 26 26 28 30 nan nan nan nan nan nan nan nan nan 37 37 37 37 36 36 37 37 38 39 40 41 42 44 46 47 48 49 49 49 50 49 49 48 47 46 45 44 43 43 43 43 43 43 43 43 44 44 45 46 47 48 48 48 48 48 48 48 48 48 48 48 48 47 47 47 47 47 47 48 48 48 48 48 48 48 48 47 47 48 48 48 48 48 48 47 47 47 47 47 47 48 48 48 48 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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 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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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nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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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