Minimize: flag(3:3) + flag(0:3)
\[F_{3}^{3} + F_{0}^{3}\]
where $F_{0}^{3}=$ and $F_{3}^{3}=$ .
Σ F = 1
\[\sum_{F\in S_1\subseteq\mathcal{F}_{3}}F = 1\]
$S_1$ contains the following flags: