FlatString = 18
Calls to first_byte on FlatString 153
Calls to last_byte on FlatString 103
-FlatStrings allocated with length 81 (85.417%)
+FlatStrings allocated with length 82 (86.458%)
Length of travel for index distribution:
* null = 20 => occurences 83.333%, cumulative 83.333%
* 1 = 8 => occurences 21.053%, cumulative 73.684%