Instance name: lrc2_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Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 93 143 23 194 104 232 78 40 372 333 381 228 337 312 354 139 263 29 122 79 71 51 292 27 303 198 342 230 68 146 42 19 61 257 388 160 379 99 94 45 135 241 17 202 343 12
Route 2: 383 150 121 222 46 55 95 149 50 67 189 252 106 236 247 16 295 288 375 355 177 181 297 89 10 195 110 345 111 279 239 4 1 364 271 109 291 309 235 114 206 120 178 376 103 386 227 216 244 353 43 8 28 36
Route 3: 186 398 250 359 142 269 155 368 218 171 390 73 25 255 287 44 323 199 264 320 260 30 24 112 249 326 197 74 21 395 54 215 175 70 88 274 223 176 248 13 311 254 221 48 37 240 66 81 83 365 387 293 336 102 60 98 331 273
Route 4: 329 213 161 349 318 136 391 317 276 107 207 108 90 127 285 352 76 32 363 214 125 282 259 63 304 306 158 237 101 366 31 258 233 362 346 377 145 134 351 132 192 281 290 205 128 369 190 332 117 219 402 159 133 34 5 347 80 188 172 58
Route 5: 75 211 72 168 266 224 97 393 238 140 169 374 307 91 324 373 151 118 65 123 138 226 170 52 49 56 330 385 380 210 39 217 270 245 400 204 361 85 35 357 22 193 262 325 41 322 59 69 130 167 358 84 212 378 187 203 131 182 208 284
Route 6: 144 296 256 283 315 328 278 9 298 156 147 265 113 96 100 162 87 389 305 286 152 82 6 62 148 392 209 253 275 251 200 57 246 356 157 350 289 280 299 371 335 116 338 64 229 220 183 321 225 234 397 7 401 38 399 153 14 201
Route 7: 164 313 2 196 165 360 316 179 173 243 92 115 396 340 367 129 341 302 339 394 267 382 11 174 137 185 314 163 191 261 370 141 47 242 344 3 348 77 277 126 308 18 334 33 86 268 294 272 15 327 124 166 300 154 26 384 319 301 231 119 20 105 310 53 180 184