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lavangroia


giai he
x^3 + y^3 = 1
x^4 + y^4 = 1
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x^3 + y^3 = 1
x^4 + y^4 = 1
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss