Mandelbrot fractal set viewer in brainfuck would fit the bill nicely. It's not 10 lines exactly, but reflowing the BF code with no loss of clarity is not a big

Mandelbrot fractal set viewer in brainfuck would fit the bill nicely. It's not 10 lines exactly, but reflowing the BF code with no loss of clarity is not a big deal :) http://esoteric.sange.fi/brainfuck/utils/mandelbrot/mandelbrot.b http://esoteric.sange.fi/brainfuck/utils/mandelbrot/mandelbr...