C123132112322333121111113121111331333133313231333231323233222333223321   >>    C12313211232233312111111312111133133313331323133323132323322233322332   <<    C123132112322333121111113121111331333133313231333231323233222333223323   >>      C123132112322333121111113121111331333133313231333231323233222333223322   >>