i find one solution that is similar
; Q. h' f, @2 A/ |$ Awww3.tvboxnow.combut i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....
3 x& _- J+ f# I+ ztvb now,tvbnow,bttvbmaybe there is a better one, let me see sin |