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 gallons - 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. Pour it out to the 4 gallon bucket and do the process over again which makes 2 gallons of water. 

3 gallons - 

4 gallons - Fill up the 4 gallon bucket.

5 gallons -  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. Then Fill up the 4 gallon bucket and pour it into the 9 gallon bucket, now creating 5 gallons.

6 gallons - 

7 gallons - 

8 gallons - Fill up the 4 gallon bucket and dump it in the 9 gallon bucket, then do the same again, thus making 8 gallons in the 9 gallon bucket.

9 gallons - Fill up the 9 gallon bucket.

10 gallons - 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. Then pour the 1 gallon of water into the 4 and refill the 9 gallon bucket and this creates 10 gallons.

11 gallons - 

12 gallons - Fill up the 4 gallon bucket and dump it in the 9 gallon bucket, then do the same again, thus making 8 gallons in the 9 gallon bucket, so then fill the 4 gallon bucket and then you'll have 12 gallons total. (8 in the 9 gallon bucket and 4 in the 4 gallon bucket)

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