Benchmark: running CURIOUS, LEADING, LEADTRAIL, LTSAVE, SEXEGER, SINGLE_RE, WHILE_RE, each for at least 5 CPU seconds...
   CURIOUS:  6 wallclock secs ( 5.42 usr +  0.00 sys =  5.42 CPU) @ 39780.44/s (n=215610)
   LEADING:  6 wallclock secs ( 5.29 usr +  0.00 sys =  5.29 CPU) @ 68400.00/s (n=361836)
 LEADTRAIL:  6 wallclock secs ( 5.21 usr +  0.00 sys =  5.21 CPU) @ 28325.53/s (n=147576)
    LTSAVE:  6 wallclock secs ( 5.32 usr +  0.00 sys =  5.32 CPU) @ 30798.68/s (n=163849)
   SEXEGER:  5 wallclock secs ( 5.28 usr +  0.00 sys =  5.28 CPU) @ 50426.89/s (n=266254)
 SINGLE_RE:  6 wallclock secs ( 5.31 usr +  0.00 sys =  5.31 CPU) @ 54235.40/s (n=287990)
  WHILE_RE:  7 wallclock secs ( 5.47 usr +  0.00 sys =  5.47 CPU) @ 34396.53/s (n=188149)