1 KEY
10 DIM
20 DATA
21 DATA
22 DATA
23 DATA
24 DATA
25 DATA
26 DATA
27 DATA
28 DATA
29 DATA
30 FOR
39 REM data for vectors 
40 DATA
41 DATA
42 DATA
43 DATA
44 DATA
45 DATA
46 DATA
49 HIDE
499 END
50 AUTO BACK
500 REM display number N, Xsize SX, Ysize SY, Topleft TX,TY
501 INK
502 INC
510 REM print string of numbers N$ at co-ordinates TX,TY 
511 VARNAME
60 INC