X+ Y+ Z+ Y+ Z+ Y+ Z- Z- X- Z+ 
After creating box around spheres, box is too small (742606.38648324 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 3.10717859806115 20.0249645786726 11.221870246085
Center of current box is (x y z): 8.1155 22.334 16.7975
Diagonals of current box are (D1: x y z, D2: x y z): -6.864 5.194 3.407 23.095 39.474 30.188
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 901011.02214924
**BOX SIZE is now: 31.959 36.28 28.781
Center of current box is (x y z): 8.1155 22.334 16.7975
Diagonals of current box are (D1: x y z, D2: x y z): -7.864 4.194 2.407 24.095 40.474 31.188
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1080371.97781524
**BOX SIZE is now: 33.959 38.28 30.781
Center of current box is (x y z): 8.1155 22.334 16.7975
Diagonals of current box are (D1: x y z, D2: x y z): -8.864 3.194 1.407 25.095 41.474 32.188
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1281985.25348124
**BOX SIZE is now: 35.959 40.28 32.781
Center of current box is (x y z): 8.1155 22.334 16.7975
Diagonals of current box are (D1: x y z, D2: x y z): -9.864 2.194 0.407 26.095 42.474 33.188
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1471500.04571424
**BOX SIZE is now: 37.959 41.28 34.781
Center of current box is (x y z): 8.1155 22.834 16.7975
Diagonals of current box are (D1: x y z, D2: x y z): -10.864 2.194 -0.593 27.095 43.474 34.188
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1632171.64190724
**BOX SIZE is now: 39.959 42.28 35.781
Center of receptor atoms is (x y z): 3.10717859806115 20.0249645786726 11.221870246085
Center of current box is (x y z): 8.1155 23.334 16.2975
Diagonals of current box is (D1: x y z, D2: x y z): -11.864 2.194 -1.593 28.095 44.474 34.188
Limit diagonals to 8.3f : -11.864    2.194   -1.593   28.095   44.474   34.188