F and J: the home position
Rest your index fingers on F and J (feel for the small bumps), with the other fingers on the keys beside them. Press Space with your thumb.
Put your fingers on the home position (F and J) and press Space to start
fff jjj fff jjj fj fj jf jf ffj jjf fjf jfj ff jj fj jf fjj jff jfj fjf fj fj jf jf fff jjj ffj jjf fj jf