X- Y+ Z+ Z- X- Z+ X+ Y+ X+ Y+ Y+ Y+ Y+ Z- 
After creating box around spheres, box is too small (916671.627866218 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 64.6935871421398 -7.22717026619789 23.2028066298343
Center of current box is (x y z): 63.05406 13.375265 14.75961
Diagonals of current box are (D1: x y z, D2: x y z): 48.05021 -30.56334 -1.69661 78.05791 3.81281 31.21583
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1067355.27573819
**BOX SIZE is now: 32.0077 35.37615 34.91244
Center of current box is (x y z): 63.05406 12.875265 14.75961
Diagonals of current box are (D1: x y z, D2: x y z): 47.05021 -30.56334 -2.69661 79.05791 4.81281 32.21583
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1232907.54713016
**BOX SIZE is now: 34.0077 36.37615 36.91244
Center of current box is (x y z): 63.05406 12.375265 14.75961
Diagonals of current box are (D1: x y z, D2: x y z): 46.05021 -30.56334 -3.69661 80.05791 5.81281 33.21583
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1413976.44204213
**BOX SIZE is now: 36.0077 37.37615 38.91244
Center of current box is (x y z): 63.05406 11.875265 14.75961
Diagonals of current box are (D1: x y z, D2: x y z): 45.05021 -30.56334 -4.69661 81.05791 6.81281 34.21583
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1611209.9604741
**BOX SIZE is now: 38.0077 38.37615 40.91244
Center of receptor atoms is (x y z): 64.6935871421398 -7.22717026619789 23.2028066298343
Center of current box is (x y z): 63.05406 -11.375265 14.75961
Diagonals of current box is (D1: x y z, D2: x y z): 44.05021 -30.56334 -5.69661 82.05791 7.81281 35.21583
Limit diagonals to 8.3f :  44.050  -30.563   -5.697   82.058    7.813   35.216