C1111121111331311211331333133313331333133313221211113313331333132323222221   >>    C111112111133131121133133313331333133313331322121111331333133313232322222   <<    C1111121111331311211331333133313331333133313221211113313331333132323222223   >>      C1111121111331311211331333133313331333133313221211113313331333132323222222   >>