C1111121111331311211331333133313331313331323223313331323221211311   >>    C111112111133131121133133313331333131333132322331333132322121131   <<    C1111121111331311211331333133313331313331323223313331323221211313   >>      C1111121111331311211331333133313331313331323223313331323221211312   >>