C111123313121111121111331333133313331333131233133313331312111133133313132332221   >>    C11112331312111112111133133313331333133313123313331333131211113313331313233222   <<    C111123313121111121111331333133313331333131233133313331312111133133313132332223   >>      C111123313121111121111331333133313331333131233133313331312111133133313132332222   >>