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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 272 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 256 255 254 254 253 253 253 252 252 251 251 250 250 249 249 248 248 247 246 245 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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 274 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 259 259 nan nan nan 256 255 255 255 255 255 255 254 254 253 253 252 251 250 251 250 249 249 248 247 246 247 246 246 245 244 243 243 241 240 241 241 239 239 239 241 241 242 243 244 246 247 248 248 249 248 247 247 246 245 245 244 244 244 244 243 243 242 241 240 240 239 239 238 239 239 240 240 241 240 240 240 240 241 241 240 240 240 240 240 239 239 239 238 238 237 237 237 237 237 238 238 237 237 237 236 236 236 236 236 237 238 237 237 237 238 238 239 238 239 239 238 238 239 238 238 238 238 238 237 237 237 236 236 236 236 236 236 236 236 236 236 236 237 237 237 237 237 237 236 236 236 236 236 235 235 236 238 239 240 241 241 241 241 241 240 238 238 238 237 238 238 238 239 240 241 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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 258 258 257 257 256 255 255 256 254 254 253 253 252 252 252 251 250 250 249 249 248 248 247 247 246 245 244 243 243 242 242 242 241 239 239 239 240 240 240 241 242 243 244 246 247 248 249 249 249 248 246 246 245 244 244 244 243 243 242 241 241 240 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