Assignment 12

9 gallon fills up the 4 gallon bucket and theres 5 gallons left
4 gallon fills up the 9 gallon twice so theres 8 gallons left
9 gallon fills up the 4 and you fill up the 9 gallon again and theres 13 gallons left
4 gallon fills up the 9 gallon once and there is 4 gallons left