t01: alphebetical 123b a a122 a123 a321 ab abc b123 b321 b321 b321b b322b c123d c321d t02: numeric abc ab a -24 x-22 0 a122 a123 b123 c123d 123b a321 b321 c321d b321 b321b b322b t03: hexadecimal a ab abc 123b a122 a123 a321 b123 b321 b321 b321b b322b c123d c321d t04: alpha, unique 123b a a122 a123 a321 ab abc b123 b321 b321b b322b c123d c321d t05: alpha, reverse c321d c123d b322b b321b b321 b321 b123 abc ab a321 a123 a122 a 123b t06: numeric, reverse b322b b321b b321 c321d b321 a321 123b c123d b123 a123 a122 a ab abc t07: unique, reverse c321d c123d b322b b321b b321 b123 abc ab a321 a123 a122 a 123b t08: octal abc ab a a122 a123 b123 c123d 123b a321 b321 c321d b321 b321b b322b t09: reverse, hexadecimal c321d c123d b322b b321b b321 b321 b123 a321 a123 a122 123b abc ab a t10: alpha, skip first character a a122 a123 b123 123b c123d a321 b321 b321 b321b c321d b322b ab abc t11: alpha, skip first 2 characters ab a a321 b321 b321 b321b c321d a122 b322b a123 b123 123b c123d abc t12: alpha, unique, skip first 2 characters ab a a321 b321 b321b c321d a122 b322b a123 b123 123b c123d abc t13: numeric, skip first character abc ab a a122 a123 b123 c123d 123b a321 b321 c321d b321 b321b b322b t14: alpha, sort on first character 123b abc ab a a321 a123 a122 b321 b123 b322b b321 b321b c123d c321d t15: alpha, sort on first 2 characters a 123b a123 a122 a321 abc ab b123 b321 b322b b321 b321b c123d c321d t16: numeric, sort on first character abc ab a a321 a123 a122 b321 b123 c123d 123b c321d b322b b321 b321b t17: alpha, skip past first digit abc ab a a321 b321 b321 b321b c321d a122 b322b a123 b123 123b c123d t18: alpha, sort on first digit abc ab a a123 a122 b123 c123d 123b a321 b321 c321d b322b b321 b321b t19: numeric, skip past first digit abc ab a a321 b321 c321d b321 b321b a122 b322b a123 b123 c123d 123b t20: numeric, sort on first digit abc ab a a123 a122 b123 c123d 123b a321 b321 c321d b322b b321 b321b t21: alpha, skip past first 2 digits abc ab a a321 b321 b321 b321b c321d a122 b322b a123 b123 123b c123d t22: numeric, skip past first 2 digits abc ab a a321 b321 c321d b321 b321b a122 b322b a123 b123 c123d 123b t23: hexadecimal, skip past first 2 digits abc ab a a321 b321 b321 a122 a123 b123 b321b c321d b322b 123b c123d t24: alpha, sort on first 2 digits abc ab a a123 a122 b123 c123d 123b a321 b321 c321d b322b b321 b321b t25: numeric, sort on first 2 digits abc ab a a123 a122 b123 c123d 123b a321 b321 c321d b322b b321 b321b t26: hexadecimal, sort on first 2 digits abc ab a a123 a122 b123 c123d 123b a321 b321 c321d b322b b321 b321b t27: wrong arguments abc ab a a321 a123 a122 b321 b123 c123d 123b c321d b322b b321 b321b t28: done