prod.send(m0, DeliveryMode.PERSISTENT, 0, 0);
prod.send(m1, DeliveryMode.PERSISTENT, 0, 0);
prod.send(m2, DeliveryMode.PERSISTENT, 0, 0);
prod.send(m3, DeliveryMode.PERSISTENT, 3, 0);
prod.send(m4, DeliveryMode.PERSISTENT, 3, 0);
prod.send(m5, DeliveryMode.PERSISTENT, 4, 0);
prod.send(m6, DeliveryMode.PERSISTENT, 4, 0);
prod.send(m7, DeliveryMode.PERSISTENT, 5, 0);
prod.send(m8, DeliveryMode.PERSISTENT, 5, 0);
prod.send(m9, DeliveryMode.PERSISTENT, 6, 0);