1. put 6 on each side of the scale to get the heavier side
, t7 o) ~2 Z+ Q3 S7 P2. 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}' t1 _- {. U; j7 c' r5 F- \& ?
3. put one on each side to weigh and get the heavier one. |