5.49 How to plot graphs next to each others in a grid like fashion

restart; 
v:=1; 
B:=Matrix(3,3); 
for i from 1 to 3 do 
   for j from 1 to 3 do 
       v:=v+1; 
       B[i,j]:= plot(x^v,x=-2..2,thickness=3,size=[200,100] ); 
   end do; 
end do; 
plots:-display(B);