C111123313121111121111331333133313331333133313331122112111133133313111221   >>    C11112331312111112111133133313331333133313331333112211211113313331311122   <<    C111123313121111121111331333133313331333133313331122112111133133313111223   >>      C111123313121111121111331333133313331333133313331122112111133133313111222   >>