Lambda1___B_is_Lambda2 31 31 Lambda2 -1 0 the_lattice_point_paired_with_0 2 2 the_lattice_point_paired_with_Lambda1 2 3 the_lattice_point_paired_with_2Lambda1 60 60 the_lattice_point_paired_with_Lambda2 0 1 the_lattice_point_paired_with_Lambda1+Lambda2 4 5 the_lattice_point_paired_with_2Lambda1+Lambda2 60 61