X+ Y- Z- X+ X- Y+ Z- Z+ X+ X+ X- X+ Y- 
After creating box around spheres, box is too small (636790.239524354 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 22.6136270833333 5.69845520833334 11.3532375
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box are (D1: x y z, D2: x y z): 13.863 -11.863 -6.515 41.00854 16.973 23.615
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 779658.885792914
**BOX SIZE is now: 29.14554 30.836 32.13
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box are (D1: x y z, D2: x y z): 12.863 -12.863 -7.515 42.00854 17.973 24.615
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 942423.624701474
**BOX SIZE is now: 31.14554 32.836 34.13
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box are (D1: x y z, D2: x y z): 11.863 -13.863 -8.515 43.00854 18.973 25.615
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1126380.45625003
**BOX SIZE is now: 33.14554 34.836 36.13
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box are (D1: x y z, D2: x y z): 10.863 -14.863 -9.515 44.00854 19.973 26.615
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1332825.38043859
**BOX SIZE is now: 35.14554 36.836 38.13
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box are (D1: x y z, D2: x y z): 9.863 -15.863 -10.515 45.00854 20.973 27.615
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1563054.39726715
**BOX SIZE is now: 37.14554 38.836 40.13
Center of receptor atoms is (x y z): 22.6136270833333 5.69845520833334 11.3532375
Center of current box is (x y z): 27.43577 2.555 8.55
Diagonals of current box is (D1: x y z, D2: x y z): 8.863 -16.863 -11.515 46.00854 21.973 28.615
Limit diagonals to 8.3f :   8.863  -16.863  -11.515   46.009   21.973   28.615