Lambda1___B_is_Lambda1 31 31 Lambda2 -1 0 the_lattice_point_paired_with_0 1 1 the_lattice_point_paired_with_Lambda1 31 31 the_lattice_point_paired_with_2Lambda1 61 61 the_lattice_point_paired_with_Lambda2 -1 0 the_lattice_point_paired_with_Lambda1+Lambda2 0 1 the_lattice_point_paired_with_2Lambda1+Lambda2 61 62