Lambda1___B_is_Lambda2 26 26 Lambda2 0 1 the_lattice_point_paired_with_0 2 2 the_lattice_point_paired_with_Lambda1 4 4 the_lattice_point_paired_with_2Lambda1 50 50 the_lattice_point_paired_with_Lambda2 0 1 the_lattice_point_paired_with_Lambda1+Lambda2 26 27 the_lattice_point_paired_with_2Lambda1+Lambda2 52 53