Gas Valve
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The evil Dr. N. Gas has put into orbit a machine that can suck all the air out of the atmosphere. You sneaked into his spaceship and must find a nozzle to open the main valve and stop the machine! Assert the situation and don't panic. Hint: on the valve is marked "model no. EIP-150"
Source: ChallengeValve.sol
Challenge author: Bahurum
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