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Climb up and push the exploding block half off the door
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Switch to Anna and toggle the bottom switch
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Toggle the bottom switch again
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Switch to Ben and push the rightmost exploding block into the lift
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Climb up and push the top block off the ledge
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Drop down and push the same block off the edge to the left
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Switch to Anna and toggle the bottom switch
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Switch to Ben and push the block off the exploding block
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Push the exploding block off the ledge
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Stand under the top right blue arrows
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Switch to Anna and toggle the top switch
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Switch to Ben and push the exploding block off the ledge to the left
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Drop down and push the exploding block half off the ledge
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Switch to Anna and toggle the top switch
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Switch to Ben and push the block nearly to the exploding block
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Push the block into the lift
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Stand under the top right blue arrows
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Switch to Anna and toggle both switches
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Switch to Ben and push the block off the edge to the left
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Switch to Anna and toggle the bottom switch
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Switch to Ben and push the block off the exploding block
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Push the exploding block off the ledge
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Drop down and stand on the block
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Switch to Anna and push the exploding block off the top ledge
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Switch to Ben and push the block off the exploding block
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Stand on the block
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Switch to Anna and push the exploding block off the top ledge
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Switch to Ben and push the block off the other
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Toggle the switch
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Stand beside the wall on the right
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Switch to Anna and push the next block two spaces to the right
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Climb up and push the block off the ledge to the right
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Push the rightmost block off the ledge
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Switch to Ben and push the block five spaces to the left
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Climb up and toggle the switch
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Proceed to the exit
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Switch to Anna and proceed to the exit