X+ Y+ Z+ X- Y+ Z+ X- Y+ Z+ X- Y+ X+ X+ Z+ Z- 
After creating box around spheres, box is too small (796992.467113492 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 18.6904305039788 7.8144681697613 63.3074374005305
Center of current box is (x y z): 18.508865 8.3735 61.8025
Diagonals of current box are (D1: x y z, D2: x y z): 3.343 -7.275 46.255 33.67473 24.022 77.35
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 961967.055664132
**BOX SIZE is now: 32.33173 33.297 33.095
Center of current box is (x y z): 18.508865 8.3735 61.8025
Diagonals of current box are (D1: x y z, D2: x y z): 2.343 -8.275 45.255 34.67473 25.022 78.35
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1148265.96989477
**BOX SIZE is now: 34.33173 35.297 35.095
Center of current box is (x y z): 18.508865 8.3735 61.8025
Diagonals of current box are (D1: x y z, D2: x y z): 1.343 -9.275 44.255 35.67473 26.022 79.35
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1357185.20980541
**BOX SIZE is now: 36.33173 37.297 37.095
Center of current box is (x y z): 18.508865 8.3735 61.8025
Diagonals of current box are (D1: x y z, D2: x y z): 0.343 -10.275 43.255 36.67473 27.022 80.35
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1590020.77539605
**BOX SIZE is now: 38.33173 39.297 39.095
Center of receptor atoms is (x y z): 18.6904305039788 7.8144681697613 63.3074374005305
Center of current box is (x y z): 18.508865 8.3735 61.8025
Diagonals of current box is (D1: x y z, D2: x y z): -0.657 -11.275 42.255 37.67473 28.022 81.35
Limit diagonals to 8.3f :  -0.657  -11.275   42.255   37.675   28.022   81.350