C111123313121111121111331333133313331323231333133313331313313112121   >>    C11112331312111112111133133313331333132323133313331333131331311212   <<    C111123313121111121111331333133313331323231333133313331313313112123   >>      C111123313121111121111331333133313331323231333133313331313313112122   >>