int size=b.getBoardSize();
for(int line=size-1; line >= 0; line--){
printLinha();
System.out.print((line+1)+" ");
for(int col=0; col < size; col++){
Color piece = b.get(line, col);
if(piece==null)
System.out.print("| ");
else if( piece == Color.BLACK)
System.out.print("| X ");
else if(piece == Color.WHITE)