X+ Y+ Z+ Z+ Y+ X+ Z- X+ Y+ Y- 
After creating box around spheres, box is too small (758455.718900301 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 4.79381861386139 15.6868368316832 40.8092063366337
Center of current box is (x y z): 4.3185 12.7885 36.9985
Diagonals of current box are (D1: x y z, D2: x y z): -9.681 -2.416 20.502 18.318 27.993 53.495
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 918580.770590301
**BOX SIZE is now: 29.999 32.409 34.993
Center of current box is (x y z): 4.3185 12.7885 36.9985
Diagonals of current box are (D1: x y z, D2: x y z): -10.681 -3.416 19.502 19.318 28.993 54.495
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1099744.4382803
**BOX SIZE is now: 31.999 34.409 36.993
Center of current box is (x y z): 4.3185 12.7885 36.9985
Diagonals of current box are (D1: x y z, D2: x y z): -11.681 -4.416 18.502 20.318 29.993 55.495
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1303242.7219703
**BOX SIZE is now: 33.999 36.409 38.993
Center of current box is (x y z): 4.3185 12.7885 36.9985
Diagonals of current box are (D1: x y z, D2: x y z): -12.681 -5.416 17.502 21.318 30.993 56.495
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1530371.6216603
**BOX SIZE is now: 35.999 38.409 40.993
Center of receptor atoms is (x y z): 4.79381861386139 15.6868368316832 40.8092063366337
Center of current box is (x y z): 4.3185 12.7885 36.9985
Diagonals of current box is (D1: x y z, D2: x y z): -13.681 -6.416 16.502 22.318 31.993 57.495
Limit diagonals to 8.3f : -13.681   -6.416   16.502   22.318   31.993   57.495