Instance name: lr1_4_7
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Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 389 375 278 385 101 349 7 319 311 94 124 272 370 332 242 1 157 12 14 206 88 51
Route 2: 298 236 216 218 91 163 288 172 235 20 144 285 71 19 81 357 249 109 73 169 251 159 382 302
Route 3: 291 98 120 27 217 146 133 122 95 362 160 15 409 189 130 344 137 186 76 107 258 337
Route 4: 281 314 262 87 345 70 97 77 36 378 67 173 346 131 161 213 194 181 224 138 324 185
Route 5: 270 190 240 129 102 41 66 399 305 112 387 128 338 366 141 8 136 371 365 374 3 368
Route 6: 250 119 69 34 260 394 203 329 369 82 296 299 100 174 231 255 239 254 74 356 354 326
Route 7: 244 391 164 210 171 294 318 415 114 32 139 237 238 265 22 196 301 277
Route 8: 241 292 343 308 140 6 149 412 62 93 58 264 252 198 200 83 306 53 103 110 339 151 330 156
Route 9: 188 13 273 47 404 386 56 16 380 26 45 33 215 310 267 31 221 257 327 307 167 219 253 266 54 406
Route 10: 177 46 321 4 184 211 117 289 360 79 2 383 261 279 372 50 44 395 24 317
Route 11: 168 304 341 342 388 316 263 63 313 269 89 84 108 335 376 226 17 256 331 118 170 233 407 355 245 85
Route 12: 155 328 246 99 212 148 416 352 23 176 132 208 333 405 247 55 271 414 232 401
Route 13: 147 21 65 322 195 283 68 126 363 135 152 297 183 393 234 230 134 201 379 143 353 408
Route 14: 116 86 90 359 303 35 59 229 175 284 125 193 280 199 182 180 220 78 325 397 204 274 166 145 39 48 150 106 347 287
Route 15: 104 30 300 123 351 205 115 105 165 111 18 202 248 348 228 96 191 158 80 410 392 358
Route 16: 43 72 377 222 350 75 411 142 336 276 259 315 225 92 367 37 293 309 361 127 214 162 243 400
Route 17: 11 290 64 364 402 398 42 334 227 28 209 154 49 38 153 25 197 57 9 384 340 381 403 179 178 40 60 323
Route 18: 10 413 187 396 268 121 5 275 52 390 373 312 192 207 29 320 223 295 286 61 113 282