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README.md

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+# River Crossing
+
+## Task
+
+A farmer has five animals on one side. He needs to get all animals to the other
+side of the river. Unfortunately, he only has two spaces available on his boat
+and some animals cannot be left on their own. Find a series of boat crossings to
+get all animals to the other side.
+
+## Animals
+
+* 2 Wolves  
+* 1 Fox  
+* 1 Chicken  
+* 1 Worm
+
+## Constraints
+
+* Wolves eat foxes.  
+* Foxes eat chickens.  
+* Chickens eat worms.