c:\test>861961
 12345                1.. 5
 123456               1.. 6
  234567              2.. 7
   345678             3.. 8
    456789            4.. 9
     567890           5..10
 1   567890           5.. 1
 1    67890           6.. 1
 12    7890           7.. 2
 123    890           8.. 3
 1234    90           9.. 4
 12345    0          10.. 5

 1234                 1.. 4     RM1: range:  1 ..  4 is contained by 4 ranges
  2345                2.. 5     RM1: range:  2 ..  5 is contained by 4 ranges
   3456               3.. 6     RM1: range:  3 ..  6 is contained by 3 ranges
    4567              4.. 7     RM1: range:  4 ..  7 is contained by 3 ranges
     5678             5.. 8     RM1: range:  5 ..  8 is contained by 3 ranges
      6789            6.. 9     RM1: range:  6 ..  9 is contained by 2 ranges
       7890           7..10     RM1: range:  7 .. 10 is contained by 1 ranges