C123132112322333121111113121111331333133313231333232323222212231321   >>    C12313211232233312111111312111133133313331323133323232322221223132   <<    C123132112322333121111113121111331333133313231333232323222212231323   >>      C123132112322333121111113121111331333133313231333232323222212231322   >>