Instance name: lr1_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Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 58 30 300 205 83 12 202 157 93 111 153 219 28 334 42 40 9 384 60 54 154 197 354 15
Route 2: 138 91 304 104 178 11 209 57 179 349 7 85 94 124 245 358 351 14 412 248 348 18 332 80 1 392 242 165 206 88 228 319 335 311 108 51
Route 3: 155 265 294 270 172 302 244 169 419 130 337 137 107 344 258 376 76 324 413 359 177 282 382 251
Route 4: 243 190 214 162 45 33 122 250 142 276 215 310 267 82 369 160 8 13 409 386 400 73 43 188
Route 5: 328 246 99 196 403 352 114 222 210 315 259 225 127 309 367 22 132 55 333 208 277 271
Route 6: 353 218 236 224 220 303 52 125 280 194 261 397 415 372 360 35 289 2 79 5 275 268 117 150 24 317
Route 7: 292 343 53 6 140 62 252 198 200 264 149 308 370 17 101 241 256 123 355 118 84 404 298 406
Route 8: 375 278 151 87 378 97 68 345 283 126 363 135 152 297 201 67 21 36 77 322 147 173 134 230 262 339 393 161
Route 9: 164 72 391 232 113 46 247 321 32 301 139 238 350 75 237 23 295 286 176 223 29 320 390 207 192 116
Route 10: 216 346 379 65 408 70 121 175 89 143 199 182 180 213 78 325 347 44 50 383 59 229 195 401 284 279 204 106 287 10
Route 11: 109 377 361 171 37 293 16 380 128 112 102 338 56 26 92 240 141 366 129 74 273 47 362 146 95 368 27 217 203 120 416 336
Route 12: 233 389 341 156 314 388 170 316 263 410 63 269 330 331 272 306 183 110 103 385 234 418 313 342 131 193 181 417 281 168
Route 13: 291 133 69 34 260 394 227 414 398 257 31 296 399 299 174 407 100 231 387 405 3 402 374 254 356 365 371 239 255 66 41 136 119 98
Route 14: 288 86 90 212 61 4 184 211 373 312 148 20 144 285 396 187 235 420 71 159 81 318 19 357 249 411 163 185 395 48 39 145 166 274
Route 15: 323 290 64 253 266 191 158 340 381 115 105 189 326 364 96 38 49 25 221 305 327 167 307 329 186 226