Originally posted by: bearcat-doug
Try walking past the first block and then quickly jumping twice in a row to get past them. I'm pretty sure the pattern of the blocks is random, but that method has worked for me more often than not.
This works best for me too, and I've played a lot of this game. Sometimes you end up dying once or twice, but this is the only place in the game that is really dangerous. As long as you get past the blocks with 1 extra life left, or full health, you can get through the rest of the game.