C11231323321111331312111133133313331323223313231333131133131322331   >>    C1123132332111133131211113313331333132322331323133313113313132233   <<    C11231323321111331312111133133313331323223313231333131133131322333   >>      C11231323321111331312111133133313331323223313231333131133131322332   >>