C1111121111331311211331333133313331333133313231333133313311211113311232322231   >>    C111112111133131121133133313331333133313331323133313331331121111331123232223   <<    C1111121111331311211331333133313331333133313231333133313311211113311232322233   >>      C1111121111331311211331333133313331333133313231333133313311211113311232322232   >>