C111123313121111121111331333133313331333133313331333133313331322123121221   >>    C11112331312111112111133133313331333133313331333133313331333132212312122   <<    C111123313121111121111331333133313331333133313331333133313331322123121223   >>      C111123313121111121111331333133313331333133313331333133313331322123121222   >>