A 3 − R 2 → 4 + A 1 − R 4 → 1 + A 4 − R 3 → 9 + A 2 − R 1 → 2 = c o s t o t o t ⇒ 16 {\displaystyle {\begin{aligned}A3-R2\to 4+\\A1-R4\to 1+\\A4-R3\to 9+\\A2-R1\to 2=\\\hline costo_{tot}\Rightarrow 16\end{aligned}}}
