2. (20 points) You are given two jugs, a 4-gallon one and a 3-gallon one. Neither has any measuring marker on it. There is a tap that can be used to fill the jugs with water. How can you get exactly 2 gallons of water into the 4-gallon jug? Use Breadth-First search i.e. finish expanding each row before going to the next one. It means expanding the 4,0) followed by the (0,3) states before going to their successors on the next row