C123132112322333121111113121111331333133313232213121322211333221   >>    C12313211232233312111111312111133133313331323221312132221133322   <<    C123132112322333121111113121111331333133313232213121322211333223   >>      C123132112322333121111113121111331333133313232213121322211333222   >>