Egg Hatch

The hen laid many eggs and one day the hen moves all eggs into the yard and decides to monitor the eggs until they hatch. The hen wants to make sure that every egg can successfully hatch so that she could have as many chicken as possible. She is proud to be a mother of many chicken. However,there are some rules before those eggs successfully hatch:

1. Eggs and hatched eggs(chicken) can turn into each other.

2. Tap eggs or chicken,they will turn into opposite state. eggs or chickens around it will also turn into opposite state.

3. When all eggs hatch,this level is completed.