C1111121111331311211331333133313331333133313231333133313331333223331211   >>    C111112111133131121133133313331333133313331323133313331333133322333121   <<    C1111121111331311211331333133313331333133313231333133313331333223331213   >>      C1111121111331311211331333133313331333133313231333133313331333223331212   >>