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% NEXOR-gate EAST
\newsavebox{\nexore}
\savebox{\nexore}(12,6){
\begin{picture}(12,6)
\bezier{60}(2,6)(7,6)( 9,3) % top section of pointed curve
\bezier{60}(2,0)(7,0)( 9,3) % bottom section of pointed curve
\bezier{40}(2,6)(4,3)(2,0) % inner back curve
\bezier{40}(1,6)(3,3)(1,0) % outer back curve
\put( 9.75,3){\circle{1.5}} % bobble
\put(10.5,3){\line(1,0){1.5}} % output line
\put(0,5){\line(1,0){1.5}} % top input line
\put(0,1){\line(1,0){1.5}} % bottom input line
% NB intersection of input lines & back curve is estimated (not calculated)!
\end{picture}
}
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