X- Y- Z+ X+ X- Z- X+ Y+ X- Y- Z- Z+ X+ 
After creating box around spheres, box is too small (758355.558893292 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 17.2265648320896 -0.368540578358207 15.9830550373134
Center of current box is (x y z): 12.432275 12.29507 12.78143
Diagonals of current box are (D1: x y z, D2: x y z): -3.952 -27.30254 -1.49713 28.81655 2.7124 27.05999
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 889679.755284373
**BOX SIZE is now: 34.76855 31.01494 30.55712
Center of current box is (x y z): 12.432275 11.79507 12.78143
Diagonals of current box are (D1: x y z, D2: x y z): -4.952 -27.30254 -2.49713 29.81655 3.7124 28.05999
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1034758.35107545
**BOX SIZE is now: 36.76855 32.01494 32.55712
Center of current box is (x y z): 12.432275 11.29507 12.78143
Diagonals of current box are (D1: x y z, D2: x y z): -5.952 -27.30254 -3.49713 30.81655 4.7124 29.05999
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1194239.34626654
**BOX SIZE is now: 38.76855 33.01494 34.55712
Center of current box is (x y z): 12.432275 10.79507 12.78143
Diagonals of current box are (D1: x y z, D2: x y z): -6.952 -27.30254 -4.49713 31.81655 5.7124 30.05999
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1368770.74085762
**BOX SIZE is now: 40.76855 34.01494 36.55712
Center of current box is (x y z): 12.432275 10.29507 12.78143
Diagonals of current box are (D1: x y z, D2: x y z): -7.952 -27.30254 -5.49713 32.81655 6.7124 31.05999
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1559000.5348487
**BOX SIZE is now: 42.76855 35.01494 38.55712
Center of receptor atoms is (x y z): 17.2265648320896 -0.368540578358207 15.9830550373134
Center of current box is (x y z): 12.432275 -9.79507 12.78143
Diagonals of current box is (D1: x y z, D2: x y z): -8.952 -27.30254 -6.49713 33.81655 7.7124 32.05999
Limit diagonals to 8.3f :  -8.952  -27.303   -6.497   33.817    7.712   32.060