More Brain Busting

1 gallon-  Fill the 9 gallon bucket.  Pour 4 gallons into the 4 gallon bucket and pour it out.  You now have 5 gallons in the 9 gallon bucket.  Pour 4 gallons into the 4 gallon bucket and pour it out.  You now have 1 gallon in the 9 gallon bucket.

2 gallon- fill up the 4 gallon bucket and pour out 2 gallons out 

3 gallon-  fill up the 4 gallon bucket and pour 1 gallon out

4 gallon- fill up the 4 gallon bucket

5 gallon- Fill the 9 gallon bucket.  Pour 4 gallons into the 4 gallon bucket and pour it out.  You now have 5 gallons in the 9 gallon bucket.  Pour 4 gallons into the 4 gallon bucket and pour it out.  You now have 1 gallon in the 9 gallon bucket. fill the 4 gallon bucket and pour it in the 9 gallon bucket you know have 5 gallons.

6 gallon- fill up the 4 gallon bucket. pour the 4 gallons into the 9 gallon bucket. Fill the 4 gallon bucket up to 2 gallons now you should have 6 gallons

7 gallon- Fill up the 9 gallon bucket pour 2 gallons into the 4 gallon bucket

8 gallon- Fill up the 9 gallon bucket and dump 1 gallon into the 4 gallon bucket

9 gallon- Fill up the 9 ballon bucket

10 gallon- Fill up the 9 gallon bucket pour 4 gallons of the 9 gallon bucket into the 4 gallon bucket, you have 5 gallons in the 9 gallon bucket so add 1 more gallon into the 9 gallon

11 gallon- Fill up the 9 gallon bucket and fill up the 4 gallon bucket dump half of the 4 gallon bucket and you now have 11 gallons all together.

12 gallon- fill up both the 9 and 4 gallon bucket and pour 1 gallon out of the 4 gallon bucket

13 gallon- Fill up the 9 gallon bucket and the 4 gallon bucket together you have 13 gallons