C1111121111331311211331333133313331323131133133313311221323132212131   >>    C111112111133131121133133313331333132313113313331331122132313221213   <<    C1111121111331311211331333133313331323131133133313311221323132212133   >>      C1111121111331311211331333133313331323131133133313311221323132212132   >>