Which of these trades would you consider a properly hedged BUTTERFLY trade?

$($HO is the code for Heating Oil trades$)$

Question $2$ options:

Buy $50$ contracts of HOU$4$ @ $$4\mathrm{.}32$

Sell $50$ contracts of HOZ$4$ @ $$4\mathrm{.}18$

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Sell $75$ contracts of HOU$4$ @ $$4\mathrm{.}32$

Buy $75$ contracts of HOZ$4$ @ $$4\mathrm{.}18$

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Sell $20$ contracts of HOU$4$ @ $$4\mathrm{.}32$

Buy $60$ contracts of HOV$4$ @ $$4\mathrm{.}25$

Sell $20$ contracts of HOX$4$ @ $$4\mathrm{.}20$

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Sell $30$ contracts of HOU$4$ @ $$4\mathrm{.}32$

Buy $60$ contracts of HOV$4$ @ $$4\mathrm{.}25$

Sell $30$ contracts of HOX$4$ @ $$4\mathrm{.}20$