@@ -388,7 +388,7 @@
 			plan = plan[1..$];
 	}
 }
 
-//alias Solver_2!(Solver_1) MainSolver;
+alias Solver_2!(Solver_1) MainSolver;
 //alias Solver_1 MainSolver;
-alias Solver_0 MainSolver;
+//alias Solver_0 MainSolver;