tracingstats:=1;
%prologues:=2;
texlabels := 1;
u:=10bp;
input mpcirc;
input digital;

beginfig(0)
prepare (And1,Nand1,Nor1,Xor1,Nxor1,Buf1,Not1);
And1a=origin;

conn.h (And1.o,Nand1a) 2u,2u,2u;
conn.h (Nand1.o,Nor1a) 2u,2u,2u;
conn.h (Nor1.o,Xor1a) 2u,2u,2u;
Buf1t=T.d;
Not1t=T.l;
Nxor1t=T.l;
conn.h (Xor1o,Buf1a) 2u,-2u;
conn.v (Buf1o,Not1a) -2u,-2u;
conn.h (Not1o,Nxor1a) -2u;
edraw;

endfig;

end