Lambda1___B_is_0 25 25 Lambda2 -1 0 the_lattice_point_paired_with_0 0 0 the_lattice_point_paired_with_Lambda1 2 2 the_lattice_point_paired_with_2Lambda1 50 50 the_lattice_point_paired_with_Lambda2 -1 0 the_lattice_point_paired_with_Lambda1+Lambda2 24 25 the_lattice_point_paired_with_2Lambda1+Lambda2 49 50