PROC MAIN()›BYTE Z=[0],I,X=[0]››GRAPHICS(9)›SETCOLOR (4,4,2)›DO› FOR I=1 TO 79› DO Z=Z+1 › IF Z>15 THEN Z=1 FI› COLOR=Z › PLOT(I,X) DRAWTO(79-I,X)› PLOT(I,190-X) DRAWTO (79-I,190-X)› X=X+1› IF X>190 THEN X=0 FI› OD› FOR I=1 TO 79› DO Z=Z+1› IF Z>15 THEN Z=1 FI› COLOR=Z› PLOT (I,X) DRAWTO (79-I,190-X)› X=X+1› IF X>190 THEN X=0 FI› OD ›I=RAND(14)+1›SETCOLOR(4,I,2)›OD›