C123132112322333121111113121111331333133313232213121322213311211   >>    C12313211232233312111111312111133133313331323221312132221331121   <<    C123132112322333121111113121111331333133313232213121322213311213   >>      C123132112322333121111113121111331333133313232213121322213311212   >>