If you are player 1, you will first open box 1. If box 1 contains slip #1, congratulations, you're done! If not, go to the box with the number of the slip you found. Repeat the process until you find your own number or run out of turns.
In the gif below, the player first opens box 1 and finds slip 6. They then open box 6 and find slip 10. They open box 10 and find slip 4 They open box 4 and find slip 1. This only required opening 4 boxes which means they've succeeded!
Try out this strategy with the applet below. There's a 96% chance you'll win within 10 shuffles, so I encourage you to keep trying!
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