C123132112322333121111113121111331333133313231333231323233221322122311   >>    C12313211232233312111111312111133133313331323133323132323322132212231   <<    C123132112322333121111113121111331333133313231333231323233221322122313   >>      C123132112322333121111113121111331333133313231333231323233221322122312   >>