C123132112322333121111113121111331333133313331322322331223221311133313231311   >>    C12313211232233312111111312111133133313331333132232233122322131113331323131   <<    C123132112322333121111113121111331333133313331322322331223221311133313231313   >>      C123132112322333121111113121111331333133313331322322331223221311133313231312   >>