How would you create a box spread with a certain payoff of $$50?$

How would you create a box spread with a certain payoff of $$50?$

Buy a call and sell a put both with a strike price of $$1000$ while simultaneously buying a put and selling a call with a strike price of $$1050?$

Buy a call and sell a put both with a strike price of $$950$ while simultaneously buying a put and selling a call with a strike price of $$1050$

Buy a call and sell a put both with a strike price of $$1000$ while simultaneously buying a put and selling a call with a strike price of $$1020$

Buy a put and sell a call both with a strike price of $$1000$ while simultaneously buying a call and selling a put with a strike price of $$1050$