tools/test/sort/regression/ref/test_numsbs

   1   -123456789
   2 -1234567890
   3     -1234567890
   4 -987654321
   5     -987654321
   6   -987654321.2345
   7     -987654321.9876
   8   123456789
   9 123456789
  10     123456789
  11   123456789.1234
  12     123456789.1234
  13 987654321
  14     987654321
  15   987654321.7654
  16   987654321.765400