C13332313311211113313331333133313331322333133313331333133313231313211   >>    C1333231331121111331333133313331333132233313331333133313331323131321   <<    C13332313311211113313331333133313331322333133313331333133313231313213   >>      C13332313311211113313331333133313331322333133313331333133313231313212   >>