./tiles.unix_unknown --add --pdb 0_1_2_5+0_1_4_7+0_6_7_8 record_f_bf_beam_dups_prune 5 < /home/aifs2/group/data/tiles_instances/random/3/3/1

runs the search using the pattern database with 0,1,2,5 etc added together.

./make_pdb.unix_unknown --add 0-1-4-7 unit standard < /home/aifs2/group/data/tiles_instances/random/3/3/1

makes a pattern database for the 3x3 puzzle using the 0, 1, 4, 7 tiles.  It knows its a 3x3 puzzle because thats what was redirected in.  unit is cost, standard is movement function.