C123132112322333121111113121111331333133313232213121322332223221   >>    C12313211232233312111111312111133133313331323221312132233222322   <<    C123132112322333121111113121111331333133313232213121322332223223   >>      C123132112322333121111113121111331333133313232213121322332223222   >>