% NOT-gate WEST
\newsavebox{\notw}
\savebox{\notw}(10,6){
\begin{picture}(10,6)
\put(8,3){\line(1,0){2}}
\put(2.25,3){\circle{1.5}}
\put(8,0){\line(0,1){6}}
\put(8,6){\line(-5,-3){5}}
\put(3,3){\line(5,-3){5}}
\put(0,3){\line(1,0){1.5}}
\end{picture}
}