Jump the Hurdles
Hard · Walls
Karel is running a race along the bottom row. The thick lines are hurdles: walls one square high that Karel can not walk through.
Finish jumpHurdle so Karel climbs up, steps over the hurdle and comes back down facing east. Then keep going until Karel is standing on the ball at the finish line.
The hurdles are in different places in each world, so check frontIsClear() to decide between walking and jumping.
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