3. Solve the equation $p^{2}+q^{2}=r^{2}+6 p+4 q$ in prime natural numbers. In your answer, specify $p+q+r$. If there are multiple possible answers, list them in any order separated by a semicolon.


Answer: $12 ; 10 \| 10 ; 12$

Allowed input: digits, semicolon

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