Start on the cube in the top left corner, and find the shortest route to the cube in the bottom right corner, by making a series of horizontal or vertical jumps between two cubes that have a colour in common.
However, in this maze there’s an additional restriction: you may not make a U-turn by jumping straight back in the direction you’ve just come from.
Here’s an example. From the starting cube you can jump down to either of the cubes below it. However, from the cube in the middle of the leftmost column you are not then allowed to jump back to the cube above it, as this is a U-turn.
Click here to display the solution to the Ampersand maze after a five-minute delay: