1 REM LISSAJOUX FIGURES BY THE INTREPID EDDIE OF THB 
10 MODE
2 REM CODED 12 APRIL 1992
20 HIDE
3 REM ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
30 CURS
40 KEY
45 AUTO BACK
50 VARNAME
60 VARNAME
70 VARNAME
80 PLOT
85 VARNAME
90 UNTIL