C111123313121111121111331333133313331333133313331122112111133133313231311211311   >>    C11112331312111112111133133313331333133313331333112211211113313331323131121131   <<    C111123313121111121111331333133313331333133313331122112111133133313231311211313   >>      C111123313121111121111331333133313331333133313331122112111133133313231311211312   >>