i found the ans in 30 mins but dont know correct or not?
! u- W! \! b, B1 p8 a" U* hans is too long! but concepts are something like that:
- [3 s' C* s u9 `( s- }8 Ttvb now,tvbnow,bttvbseprate 4 groups 3 balls in one group!
0 P( `! _ H5 P3 ]4 r: B" ]tvb now,tvbnow,bttvbthe important part is the 2nd times which need to find out the fake ball is heavier or lighter by use the normal ball that u find at the first time!* ^. H& w. J" Y% E8 l& N0 X' i2 P
the last part is 1ball vs 1ball! something like that |