C1111121111331311211331333133313331333133313231333133313331323223321231   >>    C111112111133131121133133313331333133313331323133313331333132322332123   <<    C1111121111331311211331333133313331333133313231333133313331323223321233   >>      C1111121111331311211331333133313331333133313231333133313331323223321232   >>