C123132112322333121111113121111331333133313231333133311223323211231122121131   >>    C12313211232233312111111312111133133313331323133313331122332321123112212113   <<    C123132112322333121111113121111331333133313231333133311223323211231122121133   >>      C123132112322333121111113121111331333133313231333133311223323211231122121132   >>