weigh 3v3 and leave 3, if one side weigh 2 of the 3 against each other if they weigh the same the third one is heavier if one side is heavier that one is the heavier ball. if they weigh the same do the same process you would do for if you had one side being except you would do it for the ones you didn't weigh.

weigh 3v3 and leave 3, if one side weigh 2 of the 3 against each other if they weigh the same the third one is heavier if one side is heavier that one is the heavier ball. if they weigh the same do the same process you would do for if you had one side being except you would do it for the ones you didn't weigh.