The object of the Lucas puzzle is simple: Move all the red squares to the right and the blue squares to the left. The rules of movement are: A red square can move to an adjacent space on its right or jump over one square of any color to its right into and empty space just beyond. A blue square can move likewise to its left. No square may ever move backwards. Click on a square to move it. If you get stuck, click on the green flag to reset the puzzle.
