C123132112322333121111113121111331333133313231333231323233221332321311   >>    C12313211232233312111111312111133133313331323133323132323322133232131   <<    C123132112322333121111113121111331333133313231333231323233221332321313   >>      C123132112322333121111113121111331333133313231333231323233221332321312   >>