C123132112322333121111113121111331333133313231333231323233221213331111   >>    C12313211232233312111111312111133133313331323133323132323322121333111   <<    C123132112322333121111113121111331333133313231333231323233221213331113   >>      C123132112322333121111113121111331333133313231333231323233221213331112   >>