It seems pretty easy, but you'll quickly get frustrated trying to figure out which domino is the first in the chain. If you're unable to choose the first domino, hit the pass button and you'll get a bunch of time back on the clock (and it will show you the solution). But use carefully- you only get 3 passes. My tip is to try to pick the domino that you think will squash the tomato and then work backwards! Good luck!
[thanks, pierce]
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