Lambda1___B_is_Lambda1 19 19 Lambda2 0 1 the_lattice_point_paired_with_0 1 1 the_lattice_point_paired_with_Lambda1 19 19 the_lattice_point_paired_with_2Lambda1 37 37 the_lattice_point_paired_with_Lambda2 2 3 the_lattice_point_paired_with_Lambda1+Lambda2 19 20 the_lattice_point_paired_with_2Lambda1+Lambda2 36 37