Lambda1___B_is_Lambda1 22 22 Lambda2 -1 0 the_lattice_point_paired_with_0 1 2 the_lattice_point_paired_with_Lambda1 3 4 the_lattice_point_paired_with_2Lambda1 44 44 the_lattice_point_paired_with_Lambda2 -1 0 the_lattice_point_paired_with_Lambda1+Lambda2 21 22 the_lattice_point_paired_with_2Lambda1+Lambda2 43 44