10 GELLOAD "1","1.png"
11 GELLOAD "2","2.png"
12 SPRITEGEL "1","1"
13 SPRITEGEL "2","2"
14 A%=0:B%=1:X%=100:C%=-100
15 Y%=71:Z%=0
16 SPRITEMOVE A%,C%,Y%
17 SPRITEMOVE B%,X%,Y%
20 Y%=Y%+1
21 Z%=Z%+1
22 IF Z% THEN GOTO 24
23 GOTO 30
24 C%=X%
25 IF X%=100 THEN X%=-100:GOTO 30
26 IF X%=-100 THEN X%=100:GOTO 30
30 IF Y%>=249 THEN GOTO 14
35 GOTO 16