巨耗記憶體的寫法：

 new Short(
                	pieceInShort(
                		player==0 ? node.location.x : width - 1 - node.location.x,
                		player==0 ? node.location.y : height - 1 - node.location.y,
                		node.pieceColor, node.piece.preDefinedIndex()
                	)
                )



protected short pieceInShort(int x, int y, int player, int piece){
        return (short)( (x + 8) << 11 | (y + 8) << 6  | player  << 4  | piece   );
    }//end pieceInShort()
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