Instance name: r2_2_8
Authors: Piotr Sielski (psielski@emapa.pl), Piotr Cybula, Marek Rogalski, Piotr Beling, Andrzej Jaszkiewicz.  Emapa S.A. (http://www.emapa.pl), research funded by The National Centre for Research and Development.  "New methods of VRP problem optimization", project number: POIR.01.01.01.-00-0222/16.
Date: 10.05.2018
Reference: "New methods of VRP problem optimization", unpublished result.
Solution
Route 1 : 80 18 67 96 168 55 151 45 8 124 138 196 186 69 75 60 102 145 200 122 107 38 156 7 187 24 136 173 5 57 22 78 181 86 183 99
Route 2 : 131 179 62 74 192 33 94 149 134 188 177 97 35 28 162 117 137 81 175 172 37 140 139 29 88 103 129 9 19 65 47 116 56 158 36 190 106 108 76 182 100 54 104 2 63 82 34
Route 3 : 164 171 53 169 154 174 89 58 150 166 157 90 26 50 84 141 161 11 64 66 142 123 10 130 198 93 105 176 91 126 79 17 133 16 73 153 180 85 14 98 46 121 189 83 20 30 170 135 109 12 110 3 4 165 87 113 25 70 163 148
Route 4 : 23 41 115 61 92 77 125 152 43 118 143 42 119 191 184 112 194 128 95 13 32 114 68 21 6 40 27 193 159 146 127 44 197 167 178 48 101 71 185 31 132 195 160 147 15 155 59 1 51 120 49 72 39 199 52 144 111