sequential;

if v3=2 then begin
  	v4:=1;
	v23:=2;
	v42:=1;
	v61:=2;
   	v80:=1;
	v99:=2
	end;

if v3=1 then begin
	v4:=2;
	v23:=1;
	v42:=2;
	v61:=1;
   	v80:=2;
	v99:=1
	end;