C1111121111331311211331333133313331333133313231333133313331333132313221322111   >>    C111112111133131121133133313331333133313331323133313331333133313231322132211   <<    C1111121111331311211331333133313331333133313231333133313331333132313221322113   >>      C1111121111331311211331333133313331333133313231333133313331333132313221322112   >>