Instance name: lr1_6_6
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: 31.03.2020
Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 598 455 595 300 227 484 485 286 27 214 351 119 465 137 3 621
Route 2: 581 39 384 537 509 108 65 209 178 390 317 393 275 7 111 397 307 328 604 237
Route 3: 579 570 189 312 216 357 615 407 358 5 585 576 134 605 76 92 577 288
Route 4: 556 104 338 201 386 506 20 174 408 500 561 334 142 81 200 193 474 93 396 55 11 26
Route 5: 451 162 260 534 34 381 35 23 548 610 503 294 36 311
Route 6: 445 584 318 486 43 527 614 21 296 549 433 87 141 49 33 268 232 352 340 195 546 502
Route 7: 439 421 564 456 623 238 520 371 123 82 305 541 488 262 283 31 592 181 169 157 269 359
Route 8: 429 192 378 274 574 565 454 299 168 127 72 467 68 271 166 114 310 505
Route 9: 413 401 504 540 90 58 180 146 224 97 253 472 602 255 481 441 46 572 8 83 173 248
Route 10: 398 424 120 524 314 28 513 468 559 215 494 79 626 448 405 501 277 594 265 225
Route 11: 356 245 418 399 511 121 491 129 597 450 14 464 458 61 91 48 427 370 578 194
Route 12: 302 411 367 606 392 320 327 330 183 471 394 544 589 571 319 512 254 420 124 575 459 522
Route 13: 266 457 628 282 1 242 220 131 236 191 532 507 497 98 70 374
Route 14: 264 322 539 249 308 547 107 341 545 135 601 342 483 618 212 77 100 184
Route 15: 263 563 60 145 223 240 375 41 85 297 12 591 363 66
Route 16: 261 234 6 170 558 383 368 291 30 460 304 15 206 567 622 80 470 272
Route 17: 233 550 526 303 78 42 63 498 148 627 122 130 538 185 436 222
Route 18: 207 243 395 51 462 276 239 153 47 417 463 109 404 369
Route 19: 177 376 326 499 73 88 202 246 250 219 382 402 285 373 154 365 516 113 432 50 103 2 126 366 444 37 423 75
Route 20: 176 152 325 487 403 425 387 293 105 446 155 355 353 609 552 164 440 241 298 335 29 163
Route 21: 167 150 414 292 57 19 10 435 25 518 482 475 590 560 160 349 400 17 259 415 473 267 630 247 434 479
Route 22: 159 480 59 136 244 324 437 345 619 510 182 198 138 412 203 309
Route 23: 118 315 132 599 151 313 422 339 95 94 379 466 218 143 96 580 316 617 204 331 147 102 603 99 323 478 116 128 257 186
Route 24: 117 514 529 278 531 596 115 447 295 273 332 213 496 406 329 44 133 205
Route 25: 101 89 226 588 45 252 582 18 156 476 217 530 165 536 554 306 569 624 53 613 557 348
Route 26: 71 4 354 230 607 229 139 64 199 287 573 533 69 67 438 542 149 391 380 442 279 211 543 562 197 9 419 443 256 22
Route 27: 56 515 551 477 196 568 449 469 84 428 187 389 175 360 74 426 337 555 144 86 333 528 158 611 362 364
Route 28: 54 301 110 321 290 612 190 281 346 519 517 489 40 629 587 521 161 140
Route 29: 38 508 347 171 231 620 416 179 228 258 525 62 490 280 583 188 523 32 625 344 372 343 495 586
Route 30: 24 377 210 385 208 235 336 221 461 430 593 16 112 388 106 172
Route 31: 13 608 409 410 289 600 535 431 492 616 284 52 270 125 251 493 452 453 566 553 350 361