Akm = {{0, 0, A(0,0)} , 
       {2, 0, A(2,0)} , 
       {3,-3, (-1)*(A(3,3))} , 
       {3, 3, A(3,3)} , 
       {4, 0, A(4,0)} , 
       {5,-3, (-1)*(A(5,3))} , 
       {5, 3, A(5,3)} , 
       {6, 0, A(6,0)} , 
       {6,-6, A(6,6)} , 
       {6, 6, A(6,6)} }