Mon Jul 27 15:15:42 2026 

tsp_dantzig42_test():
  R version 4.1.2 (2021-11-01) 
  tsp_dantzig42() returns the Dantzig 42 state TSP challenge.

  City coordinates:

      [,1] [,2]
 [1,]  170   85
 [2,]  166   88
 [3,]  133   73
 [4,]  140   70
 [5,]  142   55
 [6,]  126   53
 [7,]  125   60
 [8,]  119   68
 [9,]  117   74
[10,]   99   83
[11,]   73   79
[12,]   72   91
[13,]   37   94
[14,]    6  106
[15,]    3   97
[16,]   21   82
[17,]   33   67
[18,]    4   66
[19,]    3   42
[20,]   27   33
[21,]   52   41
[22,]   57   59
[23,]   58   66
[24,]   88   65
[25,]   99   67
[26,]   95   55
[27,]   89   55
[28,]   83   38
[29,]   85   25
[30,]  104   35
[31,]  112   37
[32,]  112   24
[33,]  113   13
[34,]  125   30
[35,]  135   32
[36,]  147   18
[37,]  147   36
[38,]  154   45
[39,]  157   54
[40,]  158   61
[41,]  172   82
[42,]  174   87

  Optimal ordering:

 [1] 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
[26] 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1

  Cost of round trip 688.4491 
  Graphics saved as " tsp_dantzig42.png "
NULL

tsp_dantzig42_test():
  Normal end of execution.
Mon Jul 27 15:15:42 2026