C11231323321111331312111133133313331323223313231333131133132313331322321111331   >>    C1123132332111133131211113313331333132322331323133313113313231333132232111133   <<    C11231323321111331312111133133313331323223313231333131133132313331322321111333   >>      C11231323321111331312111133133313331323223313231333131133132313331322321111332   >>