"Source: Text/Incidence/Tableau.text";
"Line: 429";
"Date: Fri Sep 26 12:10:10 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Incidence/Tableau.text, line: 429
// Example: H158E4 ()
print "Example: H158E4";
ei := GetEchoInput();
SetEchoInput(true);
O<a,b,c,d> := OrderedMonoid(4);
O;

w := a*b*a*d*c;
w;
SetEchoInput(ei);
