C123132112322333121111113121111331333133313231333133332322333232211221133311   >>    C12313211232233312111111312111133133313331323133313333232233323221122113331   <<    C123132112322333121111113121111331333133313231333133332322333232211221133313   >>      C123132112322333121111113121111331333133313231333133332322333232211221133312   >>