well 2 popped out of the 3 but the 3rd one that didnt was my fault,i have one that i was looking at today that had 2 heads if that makes since. ive been trying to put up a pic but this damn laptop is old and has alot of viruses . ill try to explain this mutant. lol.. as your bean pops threw the soil you have 2 leaves on it then its a long stem, well about half way down theres another set of leaves comming out. now my plants are only 3 or 4 days old,so its not the leaves that you useally get on plants. ive been doing this for about 10 years and this is the only one ive ever seen like this. im going to try and get a pic of this on here .