waitboy

1. put 6 on each side of the scale to get the heavier side 公仔箱論壇% d' r2 K$ d- k$ ?* s
2. take off any two balls from the more heavier side (among 6 balls) and put 2 on each side of the scale to weigh and get the heavier side(which are 2 balls) {if at this moment the scale is balanced, then weigh the 2 balls which we took out before} {if at this moment the scale is not balanced, then go 3}
0 k+ G8 U  F1 l' N( `7 V, f# E9 d3. put one on each side to weigh and get the heavier one.