Wolf, Sheep & Cabbage

Please help the man in the boat to move the wolf, the sheep and the box of cabbage to the other side of the lake. Notice that: wolves eat sheep and sheep eat cabbages when the man isn't around. How to play: At the top of your screen you will see 3 buttons. When you click on sheep-it will load the sheep on the boat, when you click on the wolf button, it will put wolf on the boat. To move them to the other side of the lake click GO button. You have to move the wolf, the sheep and the cabbage by boat to the other bank of the river. You can take only one of these with you at a time, but note that the unguarded wolf will eat the sheep and the unguarded sheep will eat the cabbage. Can you solve the puzzle?