R := H4

                                      722

                                      3392

1   48.609
2   53.850
3   58.140
4   63.060
5   67.219
6   70.579
7   73.390
8   75.670
9   80.129
10   83.900
11   87.180
12   89.780
13   91.810
14   93.469
15   95.129
16   96.400
17   97.340
18   98.060
19   98.250
20   98.290
21   98.319
22   98.370
23   98.400
                              false, c, 36.540050

 true,

     [{2, 5, 15, 20, 31, 33, 37, 39, 41, 49, 52, 56, 58},

         {1, 11, 16, 28, 30, 34, 36, 38, 47, 50, 55, 57},

         {3, 7, 10, 24, 27, 32, 35, 42, 45, 54, 59},

         {4, 8, 12, 14, 18, 22, 43, 46, 48, 60}, {13, 17, 19, 21, 25, 40, 51},

         {6, 9, 23, 26, 29, 44, 53}],

     30.228187

bytes used=1291986632, alloc=5569540, time=139.66