GeefBIndex(Node,Piece)
	quit:$IsValidNum(Node) ( Node + 1 ) _ $$LeftPad^vhLib(Piece,2)
	quit Node _ $$LeftPad^vhLib(Piece,2)
	
GeefNode(BIndex)
	quit (BIndex\100)-1
	
GeefPiece(BIndex)
	quit BIndex#100