C111123313331323113313331333133313331323131211113313121111121113221   >>    C11112331333132311331333133313331333132313121111331312111112111322   <<    C111123313331323113313331333133313331323131211113313121111121113223   >>      C111123313331323113313331333133313331323131211113313121111121113222   >>