just watch! hit space to start SPEED: iterations 1 and 2 are too fast to keep track of iteration 3 takes about 3 sec. iteration 4 takes about 6 sec. iteration 5 takes about 13 sec. iteration 6 takes about 26 sec. and iteration 7 takes about 1 minut and 45 sec. in total it takes 2 minuts and 45 sec.
