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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 264 264 263 263 263 262 262 262 262 262 263 264 264 265 265 266 266 266 266 265 265 265 265 265 265 264 264 265 265 265 265 265 265 265 266 266 267 267 267 267 267 267 268 268 269 270 271 271 272 272 272 273 273 273 273 273 272 272 273 273 274 274 275 276 278 278 278 278 279 280 280 279 279 278 277 277 276 275 273 273 273 275 274 274 274 273 274 274 276 278 280 282 283 284 284 283 281 279 278 276 274 273 272 271 271 271 272 271 270 270 270 272 272 269 265 262 268 275 280 281 274 265 259 262 265 270 269 267 263 263 265 267 272 276 280 282 282 282 278 277 277 279 280 279 276 271 267 264 263 265 268 270 269 266 261 260 261 264 265 266 267 267 268 269 270 270 270 270 270 270 270 269 270 271 272 272 272 272 273 272 272 272 271 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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 261 261 261 261 261 261 261 261 261 261 261 261 260 260 260 260 260 260 261 261 261 261 262 262 262 262 263 263 263 264 264 265 266 267 267 268 269 270 271 271 271 271 271 271 271 272 272 273 273 274 274 275 275 276 278 278 279 278 278 277 277 277 278 279 279 279 279 279 279 279 278 277 277 276 276 275 277 279 281 275 267 260 263 266 268 268 265 263 260 261 264 269 275 279 283 284 285 285 284 283 281 280 279 278 278 278 279 279 278 278 276 275 274 273 272 272 272 272 273 273 274 274 275 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