Instance name: lr1_4_8
Authors: Piotr Sielski (psielski@emapa.pl), Piotr Cybula, Marek Rogalski, Mariusz Kok, Piotr Beling, Andrzej Jaszkiewicz, Przemysław Pełka.  Emapa S.A. (http://www.emapa.pl)
Date: 05.11.2019
Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished. Computing grant 358 funded by Poznan Supercomputing and Networking Center.
Solution
Route 1: 389 292 331 241 118 316 300 93 123 124 130 323 137 334 186 107 258 376 410 76
Route 2: 375 278 87 134 67 21 36 97 77 201 363 126 135 297 152 419 283 345 68 195 322 147 346 173 378 230 151 110 233 281 298 418
Route 3: 353 216 218 304 236 303 421 388 314 63 313 161 269 342 89 143 199 213 180 182 263 385 103 183 393 339 262 234 330 156 341 170 84 91
Route 4: 291 336 120 404 27 160 34 296 31 221 305 112 239 299 100 174 399 231 41 102 128 129 366 74 273 413 47 33 119 146 217 203
Route 5: 169 26 190 56 141 240 16 380 309 142 276 401 310 69 136 267 66 387 255 3 374 402 254 356 365 371 25 354 257 15
Route 6: 168 287 193 131 379 65 70 229 175 409 284 325 125 280 347 106 397 261 78 412 194 181 411 224 220 24 288 185 324 138
Route 7: 164 72 377 361 415 294 19 357 86 172 244 391 259 315 225 210 318 81 113 251 232 249 270 109 386 13 188 416
Route 8: 163 302 90 177 282 274 184 4 192 207 148 20 285 144 408 212 247 321 271 277 55 333 208 295 286 223 320 390 312 373 29 61 46 159
Route 9: 155 328 246 99 352 114 237 265 417 32 139 238 196 176 23 22 301 132 222 350 75 293 37 407 367 171
Route 10: 104 337 329 307 260 394 98 344 250 368 95 122 133 215 338 214 127 162 92 45 362 243 8 400 73 43
Route 11: 51 311 94 85 228 349 7 105 111 392 1 80 332 18 157 348 248 406 351 358 88 179 384 60 40 54 9 405 154 340 165 206 319 335
Route 12: 42 28 290 64 253 266 191 158 115 242 381 227 189 153 364 49 38 96 219 420 197 326 327 82 167 369 398 209 57 11 178 226
Route 13: 30 343 53 6 140 62 252 198 200 264 205 272 306 149 308 370 256 414 101 17 83 12 403 202 14 58 422 355 245 108
Route 14: 10 317 150 44 204 279 35 79 121 52 275 5 2 59 383 289 360 268 211 117 372 50 48 382 187 235 71 396 39 145 166 395 359 116