prologues:=3;
inputboxes
beginfig(1);
spacex=15mm;spacey=3mm;
pickuppencirclescaled1pt;
boxit.aoo(btex 00 etex scaled 1.5);
boxit.aol(btex 01 etex scaled 1.5);
boxit.alo(btex 10 etex scaled 1.5);
boxit.all(btex 11 etex scaled 1.5);
boxit.boo(btex 00 etex scaled 1.5);
boxit.bol(btex 01 etex scaled 1.5);
boxit.blo(btex 10 etex scaled 1.5);
boxit.bll(btex 11 etex scaled 1.5);
boxit.coo(btex 00 etex scaled 1.5);
boxit.col(btex 01 etex scaled 1.5);
boxit.clo(btex 10 etex scaled 1.5);
boxit.cll(btex 11 etex scaled 1.5);
boxit.doo(btex 00 etex scaled 1.5);
boxit.dol(btex 01 etex scaled 1.5);
boxit.dlo(btex 10 etex scaled 1.5);
boxit.dll(btex 11 etex scaled 1.5);
boxit.eoo(btex 00 etex scaled 1.5);
boxit.eol(btex 01 etex scaled 1.5);
boxit.elo(btex 10 etex scaled 1.5);
boxit.ell(btex 11 etex scaled 1.5);
aoo.s-(0,spacey)=aol.n;
aol.s-(0,spacey)=alo.n;
alo.s-(0,spacey)=all.n;
aoo.e+(spacex,0)=boo.w;
aol.e+(spacex,0)=bol.w;
alo.e+(spacex,0)=blo.w;
all.e+(spacex,0)=bll.w;
boo.e+(spacex,0)=coo.w;
bol.e+(spacex,0)=col.w;
blo.e+(spacex,0)=clo.w;
bll.e+(spacex,0)=cll.w;
coo.e+(spacex,0)=doo.w;
col.e+(spacex,0)=dol.w;
clo.e+(spacex,0)=dlo.w;
cll.e+(spacex,0)=dll.w;
doo.e+(spacex,0)=eoo.w;
dol.e+(spacex,0)=eol.w;
dlo.e+(spacex,0)=elo.w;
dll.e+(spacex,0)=ell.w;
drawboxed(aoo, aol, alo, all);
drawboxed(boo, bol, blo, bll);
drawboxed(coo, col, clo, cll);
drawboxed(doo, dol, dlo, dll);
drawboxed(eoo, eol, elo, ell);
% solid arrows
drawarrowaoo.e--boo.wwithcolorred;
drawarrowaol.e--boo.w;
drawarrowalo.e--bol.w;
drawarrowall.e--bol.w;
drawarrowboo.e--coo.w;
drawarrowbol.e--coo.w;
drawarrowblo.e--col.w;
drawarrowbll.e--col.w;
drawarrowcoo.e--doo.w;
drawarrowcol.e--doo.w;
drawarrowclo.e--dol.wwithcolorred;
drawarrowcll.e--dol.w;
drawarrowdoo.e--eoo.w;
drawarrowdol.e--eoo.w;
drawarrowdlo.e--eol.w;
drawarrowdll.e--eol.w;
% dashed arrows
drawarrowaoo.e--blo.wdashedevenly;
drawarrowaol.e--blo.wdashedevenly;
drawarrowalo.e--bll.wdashedevenly;
drawarrowall.e--bll.wdashedevenly;
drawarrowboo.e--clo.wdashedevenlywithcolorred;
drawarrowbol.e--clo.wdashedevenly;
drawarrowblo.e--cll.wdashedevenly;
drawarrowbll.e--cll.wdashedevenly;
drawarrowcoo.e--dlo.wdashedevenly;
drawarrowcol.e--dlo.wdashedevenly;
drawarrowclo.e--dll.wdashedevenly;
drawarrowcll.e--dll.wdashedevenly;
drawarrowdoo.e--elo.wdashedevenly;
drawarrowdol.e--elo.wdashedevenlywithcolorred;
drawarrowdlo.e--ell.wdashedevenly;
drawarrowdll.e--ell.wdashedevenly;
endfig;
end