> I typed in a simple program to generate an animated graphical pattern, a program I remembered from when I was about 13 [...] I'm astounded that anyone would

> I typed in a simple program to generate an animated graphical pattern, a program I remembered from when I was about 13 [...] I'm astounded that anyone would be able to remember such a complicated program after several decades. About all I remember from those days is: 10 PRINT "HELLO"; 20 GOTO 10;