put six on each side first
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2 i3 v0 A2 N4 I7 q) ^ ]4 O7 Pfrom the heavier six, split it to three on each side
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4 s, `8 c1 b' p! r/ W# jthen there is three left, put one on each side, if one is heavier then that is it, if they are balanced then last one is heavy one |