shithub: kwa

ref: c3eea8755d4adbf3dc4cb9bda166a9e02c2064b5
dir: /test/t.cond/

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{ print (substr($2,1,1) > substr($2,2,1)) ? $1 : $2 }
{ x = substr($1, 1, 1); y = substr($1, 2, 1); z = substr($1, 3, 1)
  print (x > y ? (x > z ? x : z) : y > z ? y : z) }