Size 1-2, 2-3,3-4,4-5
uses
3,3,4,4 x50g (84m) balls in A
2,2,3,3 x 50g(84m) balls in B
1,1,2,2 x 50g (84m) balls in C
1,1,1,1 X 50g(84m) ball in D