public void test2() {
final Solver solver = new Solver();
final IntVar X = VariableFactory.enumerated("X", 1, 2, solver);
final IntVar Y = VariableFactory.enumerated("Y", 1, 2, solver);
final IntVar Z = VariableFactory.enumerated("Z", 1, 2, solver);
solver.getSearchLoop().plugSearchMonitor(new IMonitorOpenNode() {
@Override
public void beforeOpenNode() {
}
@Override