i found the ans in 30 mins but dont know correct or not?7 m2 z, B6 t7 C* J/ M
ans is too long! but concepts are something like that:& Q1 `+ l0 m# B
seprate 4 groups 3 balls in one group! tvb now,tvbnow,bttvb' { P2 ?& T7 _7 | e
the 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!5.39.217.77:88988 l f0 M0 ]+ \( n. k2 D1 [( o0 ]
the last part is 1ball vs 1ball! something like that |