C123132112322333121111113121111331333133313331322322331223213212211   >>    C12313211232233312111111312111133133313331333132232233122321321221   <<    C123132112322333121111113121111331333133313331322322331223213212213   >>      C123132112322333121111113121111331333133313331322322331223213212212   >>