Each builder can build at most one house. Each potential homeowner values at most one house. The Unobtainium Dollar is the official currency of Allieland. Queen Allie is the supreme ruler of Allieland.

• If Adil builds a house, he incurs a cost of 57 Unobtainium Dollars.
• If Boriana builds a house, she incurs a costof 27 Unobtainium Dollars.
• If Caleb builds a house, he incurs a cost of 58 Unobtainium Dollars.
• Darius is willing to pay 66 Unobtainium Dollars for a house (and nothing for any additional houses).
• Eugenia s is willing to pay 56 Unobtainium Dollars for a house (and nothing for any additional houses).
• Fangfang is willing to pay 61 Unobtainium Dollars for a house (and nothing for any additional houses).

If Queen Allie orders two homes to be built, what is the largest total surplus possible?