% transmission gate EAST-WEST
\newsavebox{\tgateew}
\savebox{\tgateew}(9,6){
\begin{picture}(9,6)
\put(0,3){\line(1,0){2}}
\put(2,0){\line(0,1){6}}
\put(2,6){\line(5,-3){5}}
\put(7,3){\line(-5,-3){5}}
\put(7,0){\line(0,1){6}}
\put(7,6){\line(-5,-3){5}}
\put(2,3){\line(5,-3){5}}
\put(7,3){\line(1,0){2}}     
\put(4.5,0){\line(0,1){1.5}}
\put(4.5,5.4){\line(0,1){0.6}}
\put(4.5,5){\circle{0.8}}
\end{picture}
}