ksession.insert(new Reading("t1", 12));
ksession.fireAllRules();
ksession.insert(new Reading("t1", 0));
ksession.fireAllRules();
ksession.insert(new Reading("t1", 0));
ksession.fireAllRules();
ksession.insert(new Reading("t1", 16));
ksession.fireAllRules();
ksession.insert(new Reading("t1", 32));
ksession.fireAllRules();