Առաջադրանք 13)

$18\overset{+26}{\rightarrow}44\overset{-14}{\rightarrow}30\overset{+28}{\rightarrow}58\overset{-18}{\rightarrow}40\overset{+45}{\rightarrow}85\overset{-47}{\rightarrow}38\overset{+35}{\rightarrow}73\overset{-47}{\rightarrow}26$