C1111121111331311211331333133313331333133313231333133313331333131113232223321   >>    C111112111133131121133133313331333133313331323133313331333133313111323222332   <<    C1111121111331311211331333133313331333133313231333133313331333131113232223323   >>      C1111121111331311211331333133313331333133313231333133313331333131113232223322   >>