10 DIM A$(300),B$(300)
20 FOR I=1 TO 280
30 A$(I,I)="A"
40 NEXT I
50 B$=A$
60 A$(281)="AAAAAA"
70 B$(281)="B"
80 IF (A$<B$)<>1 THEN STOP 
90 IF (A$>B$)<>0 THEN STOP 
100 IF (A$=B$)<>0 THEN STOP 
110 IF (B$<A$)<>0 THEN STOP 
120 IF (B$>A$)<>1 THEN STOP 
130 IF (B$=A$)<>0 THEN STOP 
140 PRINT "PASS"
