C111123313331323113313331333133313331323131211113313113313331321122331   >>    C11112331333132311331333133313331333132313121111331311331333132112233   <<    C111123313331323113313331333133313331323131211113313113313331321122333   >>      C111123313331323113313331333133313331323131211113313113313331321122332   >>