C123132112322333121111113121111331333133313231333133332322331112211   >>    C12313211232233312111111312111133133313331323133313333232233111221   <<    C123132112322333121111113121111331333133313231333133332322331112213   >>      C123132112322333121111113121111331333133313231333133332322331112212   >>