X+ Y- Z+ Y- Z+ Z- Z- X+ Z- Y+ Z- Z- Y+ Z- 
After creating box around spheres, box is too small (852351.288929064 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.8255862524785 27.8367792465301 4.60951024454727
Center of current box is (x y z): 10.2265 23.008 5.119
Diagonals of current box are (D1: x y z, D2: x y z): -8.235 8.067 -9.187 28.688 37.949 19.425
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 999318.005045064
**BOX SIZE is now: 37.923 31.882 30.612
Center of current box is (x y z): 10.7265 23.008 5.119
Diagonals of current box are (D1: x y z, D2: x y z): -8.235 7.067 -10.187 29.688 38.949 20.425
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1161225.44116106
**BOX SIZE is now: 38.923 33.882 32.612
Center of current box is (x y z): 11.2265 23.008 5.119
Diagonals of current box are (D1: x y z, D2: x y z): -8.235 6.067 -11.187 30.688 39.949 21.425
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1338721.59727706
**BOX SIZE is now: 39.923 35.882 34.612
Center of current box is (x y z): 11.7265 23.008 5.119
Diagonals of current box are (D1: x y z, D2: x y z): -8.235 5.067 -12.187 31.688 40.949 22.425
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1532454.47339306
**BOX SIZE is now: 40.923 37.882 36.612
Center of receptor atoms is (x y z): 16.8255862524785 27.8367792465301 4.60951024454727
Center of current box is (x y z): 12.2265 23.008 5.119
Diagonals of current box is (D1: x y z, D2: x y z): -8.235 4.067 -13.187 32.688 41.949 23.425
Limit diagonals to 8.3f :  -8.235    4.067  -13.187   32.688   41.949   23.425