C1111121111331311211331333133313331333133313231333133313331333133312133313211   >>    C111112111133131121133133313331333133313331323133313331333133313331213331321   <<    C1111121111331311211331333133313331333133313231333133313331333133312133313213   >>      C1111121111331311211331333133313331333133313231333133313331333133312133313212   >>