Instance name: lr1_4_10
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Reference: "Development of universal methods of solving advanced VRP problems with the use of machine learning", unpublished research funded by The National Centre for Research and Development, project number: POIR.01.01.01-00-0012/19.  "Optimization of advanced VRP problem variants", unpublished.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: 10 166 285 4 184 192 117 52 211 390 312 373 372 48 44 279 150 395
Route 2: 43 188 104 11 42 28 290 54 414 179 40 276 215 310 146 137 98 344 8 400
Route 3: 108 94 241 358 206 248 157 18 115 392 105 111 1 80 332 348 123 242 340 335
Route 4: 119 136 368 404 243 273 190 162 240 129 267 399 231 411 366 74 141 56 47 133 160 203 107 258
Route 5: 120 69 34 296 41 66 255 3 387 374 112 299 25 31 174 100 305 405 356 254 371 239 365 416
Route 6: 138 218 216 86 90 274 116 415 172 163 391 142 130 169 259 382 207 282 109 73
Route 7: 155 301 222 328 99 402 246 208 352 114 237 238 265 139 55 410 321 23 196 22 132 249
Route 8: 168 314 388 341 389 385 103 110 375 156 193 269 330 183 53 370 331 256 408 17 51 91
Route 9: 177 187 251 159 46 247 333 223 320 148 212 286 144 20 71 235 29 176 295 61 396 39 145 359
Route 10: 236 224 342 151 262 87 147 97 379 378 36 67 134 173 346 131 78 261
Route 11: 244 164 386 13 309 72 127 380 16 26 362 45 102 128 338 293 37 367 92 214 33 95
Route 12: 270 357 361 377 75 350 294 318 171 412 32 277 406 271 19 315 225 210 81 113 232 302 185 288
Route 13: 291 250 122 27 260 394 334 227 326 418 15 327 189 217 329 82 369 186 354 257 167 307 323 337
Route 14: 298 304 118 263 278 143 213 303 125 280 194 89 182 180 220 181 199 413 63 313 161 230 393 339 234 407 233 353
Route 15: 311 292 30 343 6 316 170 101 93 58 355 124 85 226
Route 16: 317 417 24 287 106 347 204 284 383 79 35 175 59 275 2 289 360 268 5 121 229 325 50 324
Route 17: 336 221 364 64 266 158 154 209 398 197 253 219 153 38 49 96 191 178
Route 18: 351 14 252 205 149 62 308 140 264 306 272 202 83 403 198 200 12 300
Route 19: 376 281 84 245 319 349 7 165 381 60 57 9 228 88 384 76
Route 20: 397 409 195 322 21 65 126 283 152 135 297 345 68 363 201 77 70 401