Lambda1___B_is_Lambda1+Lambda2 27 27 Lambda2 0 1 the_lattice_point_paired_with_0 0 0 the_lattice_point_paired_with_Lambda1 2 2 the_lattice_point_paired_with_2Lambda1 54 54 the_lattice_point_paired_with_Lambda2 1 2 the_lattice_point_paired_with_Lambda1+Lambda2 1 1 the_lattice_point_paired_with_2Lambda1+Lambda2 53 54