C123132112322333121111113121111331333133313231333133312133322331   >>    C12313211232233312111111312111133133313331323133313331213332233   <<    C123132112322333121111113121111331333133313231333133312133322333   >>      C123132112322333121111113121111331333133313231333133312133322332   >>