C123132112322333121111113121111331333133313331322322331222121323311   >>    C12313211232233312111111312111133133313331333132232233122212132331   <<    C123132112322333121111113121111331333133313331322322331222121323313   >>      C123132112322333121111113121111331333133313331322322331222121323312   >>