C1231321123223331211111131211113313331333132313331333232232112223313311   >>    C123132112322333121111113121111331333133313231333133323223211222331331   <<    C1231321123223331211111131211113313331333132313331333232232112223313313   >>      C1231321123223331211111131211113313331333132313331333232232112223313312   >>