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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 91 95 98 nan nan nan nan nan nan 112 115 116 117 117 118 120 121 122 122 123 124 124 124 124 125 124 123 126 128 128 128 128 131 133 134 137 139 140 141 143 144 146 148 152 153 155 158 161 164 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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 107 108 110 111 112 113 112 111 111 109 109 109 110 112 115 118 118 116 116 117 117 115 114 113 114 117 119 119 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238 237 237 237 237 nan nan nan 236 237 238 nan nan nan nan nan nan nan nan nan nan nan nan 244 242 242 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 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 105 105 104 103 103 104 105 106 106 107 108 109 109 110 112 112 111 108 106 106 108 112 114 114 113 116 118 119 120 120 119 119 119 120 121 120 121 121 121 122 123 122 122 122 122 121 122 122 124 125 123 123 125 125 121 118 123 127 130 133 138 147 157 160 167 166 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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 90 nan nan nan 112 111 111 112 114 117 118 118 120 119 117 113 110 108 105 102 99 105 111 114 114 116 118 121 121 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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 112 113 111 109 111 nan nan 122 123 125 125 123 119 113 108 103 99 99 100 100 105 110 114 118 121 120 118 117 119 121 122 120 117 118 120 121 120 119 118 118 120 120 119 119 120 120 120 119 120 121 120 120 119 119 118 116 112 108 106 105 103 102 104 108 114 122 123 124 127 128 133 142 152 160 160 164 169 174 179 185 190 193 194 196 198 198 199 199 197 194 193 192 190 189 188 188 187 187 189 192 194 194 194 194 194 197 201 204 207 209 211 217 223 228 231 233 234 236 237 236 236 241 244 243 241 239 238 238 239 242 243 243 243 244 245 247 248 249 249 250 254 258 262 266 266 263 261 260 260 260 257 256 255 252 251 251 254 256 255 254 255 255 255 254 254 253 252 251 251 250 249 248 247 248 248 249 250 250 250 251 250 248 247 246 245 245 246 246 246 246 246 246 246 247 247 246 244 243 244 246 248 249 249 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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 86 nan nan 94 101 102 98 90 89 91 94 99 105 104 100 92 89 94 97 98 97 98 99 101 103 105 108 109 111 112 112 112 112 112 112 113 114 116 116 115 112 110 112 114 115 114 112 113 113 114 115 115 115 114 112 109 106 104 101 97 95 95 96 96 96 96 98 98 98 99 99 100 103 103 103 101 99 96 95 96 99 100 103 108 113 117 118 118 113 110 112 117 123 130 136 136 135 135 135 134 137 146 155 156 156 156 157 161 166 170 171 172 175 186 200 214 229 243 244 233 230 235 243 247 248 246 243 239 232 226 225 228 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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 96 92 89 87 86 87 90 93 95 95 94 93 94 96 96 96 97 98 99 100 100 102 102 103 104 106 108 111 114 115 115 113 110 108 108 110 111 113 114 114 114 115 117 117 115 113 112 111 110 107 106 106 106 100 94 89 88 89 91 95 95 98 103 106 106 106 105 105 105 109 111 113 114 113 111 107 104 105 109 113 115 114 113 108 105 102 102 106 112 117 118 115 110 109 114 118 119 118 119 120 121 123 125 122 122 131 144 154 156 154 157 160 162 166 176 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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 85 87 89 94 97 97 97 97 98 99 98 97 98 99 100 101 102 103 103 103 104 105 107 110 113 114 115 113 111 109 108 109 110 112 114 115 115 116 117 117 115 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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 128 129 131 133 134 135 137 140 142 143 148 154 158 161 164 165 164 162 162 162 164 165 166 166 166 166 165 165 166 167 169 168 166 164 162 161 161 161 160 161 161 163 166 170 174 177 181 183 181 179 176 174 174 176 176 176 176 176 174 173 173 173 171 169 167 165 162 160 158 158 157 155 153 152 150 149 148 146 146 147 147 149 150 152 152 154 154 155 155 156 157 158 160 161 161 161 162 161 161 161 162 163 164 167 170 173 176 178 179 179 180 180 180 180 180 179 178 176 175 173 171 170 169 169 168 168 166 165 162 147 114 92 76 78 87 89 85 81 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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 132 nan 142 145 144 143 142 143 nan nan nan nan nan 151 155 159 163 166 168 167 166 164 164 164 165 166 167 168 168 169 170 169 168 169 171 173 172 171 169 167 166 165 166 166 167 168 169 170 171 172 173 175 177 177 177 177 176 175 175 176 178 179 181 182 180 179 178 176 174 172 172 169 167 165 163 160 156 154 152 151 149 148 147 149 149 150 152 154 155 154 156 157 158 160 161 161 162 162 162 163 164 164 164 164 163 163 163 164 167 169 170 172 175 176 178 180 180 180 180 180 179 178 177 176 174 173 172 171 170 169 168 168 169 169 166 154 122 90 74 74 74 76 77 77 79 84 90 97 98 94 86 82 85 88 94 105 112 119 130 143 160 175 188 199 210 220 226 233 236 241 245 252 247 226 188 175 175 184 191 193 200 203 200 180 169 168 167 169 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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 149 147 146 145 nan nan 148 150 152 154 158 162 164 167 167 166 165 163 163 164 165 167 168 168 169 169 170 170 170 170 173 173 173 172 172 170 168 167 168 168 168 169 170 171 171 171 171 171 172 172 173 173 173 174 175 177 179 181 183 183 182 180 179 179 178 176 174 171 169 166 163 160 156 154 152 151 150 149 149 150 151 153 155 156 156 156 156 158 159 161 162 163 163 163 163 163 164 164 164 164 164 164 164 165 168 170 171 171 171 174 178 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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 149 149 152 156 159 162 164 165 166 166 165 164 164 163 164 165 167 168 168 169 169 170 171 171 172 175 174 174 174 173 171 170 169 170 169 169 170 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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 141 141 142 142 142 143 144 145 145 144 144 146 147 149 149 150 150 150 152 155 158 161 163 165 166 165 165 168 170 172 175 175 174 169 163 158 155 154 154 156 157 157 155 155 156 157 159 159 160 162 163 163 163 162 163 165 168 169 170 169 168 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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 141 142 142 143 144 144 144 145 146 146 147 146 145 146 146 148 149 149 153 157 160 163 166 167 166 165 164 164 166 168 171 172 170 167 163 157 151 149 149 149 150 151 152 152 150 151 153 155 156 156 157 159 158 159 160 161 164 165 167 168 166 166 165 167 169 168 166 163 159 157 156 155 153 152 149 152 163 169 171 171 172 173 174 175 175 175 176 176 175 173 172 172 173 176 177 179 180 181 181 181 182 182 182 181 181 181 181 181 182 182 180 177 175 174 171 169 169 171 172 170 168 171 176 178 178 178 177 177 176 175 174 172 171 170 170 170 170 171 174 183 187 191 195 196 195 191 192 198 204 3 243 213 211 210 211 214 218 221 197 148 132 118 98 85 88 83 68 66 71 58 49 36 29 27 19 7 346 336 334 336 342 349 353 357 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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 142 143 143 144 146 146 145 146 147 147 148 147 146 147 147 148 150 151 157 161 163 165 168 169 169 168 165 166 168 170 171 170 167 163 158 153 149 147 147 147 147 148 148 149 148 149 150 152 153 154 155 157 156 156 157 159 160 162 164 165 163 162 163 164 166 166 165 162 160 159 157 156 154 152 153 158 166 170 169 169 170 171 172 173 174 174 175 174 173 172 171 172 173 176 178 180 181 181 181 182 182 182 182 182 182 182 182 182 182 182 180 179 178 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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 137 nan nan 143 144 145 146 148 148 147 147 147 148 149 148 148 148 148 149 151 155 160 163 165 167 169 170 171 170 167 169 171 172 171 168 163 158 154 150 147 146 146 145 146 146 147 147 146 147 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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 147 148 149 150 151 151 151 150 149 149 149 148 148 149 151 155 nan 161 164 165 165 168 172 173 172 172 174 175 172 168 165 160 154 151 149 146 145 144 144 144 144 145 144 144 143 143 144 144 144 145 146 148 148 150 152 153 154 154 154 154 153 153 154 155 157 159 161 162 161 160 159 158 159 160 162 164 163 162 162 163 165 167 169 171 171 170 169 168 168 170 172 173 176 179 180 181 182 182 182 182 182 182 182 182 182 182 182 182 181 180 179 178 177 175 174 171 170 171 172 173 173 171 170 173 175 176 177 177 177 176 175 174 174 174 175 177 180 183 185 188 189 191 194 199 204 208 213 219 225 226 224 220 217 216 215 211 207 203 202 203 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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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