10 REM Department numbers
20 PRINT "POLICE SANITATION FIRE"
30 FOR P = 2 TO 7 STEP 2
40 FOR S = 1 TO 7
50 IF S = P THEN 120
60 LET F = (12-P)-S
70 IF F <= 0 THEN 120
80 IF F > 7 THEN 120
90 IF F = S THEN 120
100 IF F = P THEN 120
110 PRINT TAB(3); P; TAB(11); S; TAB(19); F
120 NEXT S
130 NEXT P
140 END