C111112111133131121133133313331333133313121111331322121111121133132223321   >>    C11111211113313112113313331333133313331312111133132212111112113313222332   <<    C111112111133131121133133313331333133313121111331322121111121133132223323   >>      C111112111133131121133133313331333133313121111331322121111121133132223322   >>