C1111121111331311211331333133313331333133313231333133313231232322231   >>    C111112111133131121133133313331333133313331323133313331323123232223   <<    C1111121111331311211331333133313331333133313231333133313231232322233   >>      C1111121111331311211331333133313331333133313231333133313231232322232   >>