Instance name: lrc2_4_4
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Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 331 103 67 189 149 158 304 346 199 362 320 260 24 30 326 74 21 395 54 134 281 366 125 176 274 171 44 287 145 377 101 237 50 43 252 128 95 290 187 378 13 368 81 83 70 365 223 197 249 112 390 264 233 258 31 205 353 106 386 188 216 227 244 80 235 206 190 120 178 369 403 222 270 121 357 22 329 273
Route 2: 208 144 23 283 202 315 328 14 104 41 333 69 78 358 371 335 100 162 113 257 312 388 129 42 122 229 289 350 139 71 198 379 337 396 340 272 11 15 367 92 327 33 86 124 231 339 341 302 137 300 314 261 166 191 119 20 163 105 310 56 307 5 385 170 384 404 154 53 242 77 277 284 296 363
Route 3: 186 398 250 359 203 142 269 306 155 387 218 248 88 175 232 392 253 397 57 87 299 59 251 275 209 40 146 68 263 79 405 29 116 200 130 322 17 194 201 262 193 60 98 66 240 212 311 254 325 153 84 167 7 6 62 148 372 399 38 221 37 48 336 102 215 293 132 192 401 351 73 25 255 323 63 259 282 182
Route 4: 184 164 313 159 107 276 49 168 207 52 266 224 97 90 348 316 173 352 285 133 180 65 138 123 47 393 85 344 267 115 174 394 382 294 185 268 334 319 179 243 165 370 141 219 172 317 204 117 332 391 295 288 375 177 297 89 10 279 291 309 16 247 236 55 46 376 8 28 131 36 35 214 402 32
Route 5: 58 213 383 150 217 245 238 211 75 161 349 318 72 140 361 169 136 400 39 210 355 181 114 4 239 195 110 345 364 1 380 34 374 109 111 271 347 91 324 330 373 151 118 26 226 360 108 3 2 196 406 127 126 18 301 308 135 45 298 183 220 64 338 234 157 356 246 286 305 152 82 389 280 225 321 381 9 278 241 94 156 147 230 342 265 96 51 292 27 303 354 19 61 160 228 99 343 12 256 143 76 93