[chris@pineapple ranges-892828]$ perl -Mbignum ranges -M=14 -N=11
 0 : from       0 to       0 (      1)
 1 : from       1 to       1 (      1)
 2 : from       2 to       3 (      2)
 3 : from       4 to       4 (      1)
 4 : from       5 to       5 (      1)
 5 : from       6 to       7 (      2)
 6 : from       8 to       8 (      1)
 7 : from       9 to       9 (      1)
 8 : from      10 to      11 (      2)
 9 : from      12 to      12 (      1)
10 : from      13 to      14 (      2)
[chris@pineapple ranges-892828]$ perl -Mbignum ranges -M=13 -N=12
 0 : from       0 to       0 (      1)
 1 : from       1 to       1 (      1)
 2 : from       2 to       2 (      1)
 3 : from       3 to       3 (      1)
 4 : from       4 to       4 (      1)
 5 : from       5 to       6 (      2)
 6 : from       7 to       7 (      1)
 7 : from       8 to       8 (      1)
 8 : from       9 to       9 (      1)
 9 : from      10 to      10 (      1)
10 : from      11 to      11 (      1)
11 : from      12 to      13 (      2)