X- Y- Z+ Z+ X- Y+ Z- Z- Y+ 
After creating box around spheres, box is too small (869411.795914683 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 28.8336690929452 13.934475643897 15.4339731243001
Center of current box is (x y z): 32.5425 22.9525 10.7125
Diagonals of current box are (D1: x y z, D2: x y z): 14.654 8.036 -4.372 50.431 37.869 25.797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1044494.98778868
**BOX SIZE is now: 37.777 31.833 32.169
Center of current box is (x y z): 32.5425 22.9525 10.7125
Diagonals of current box are (D1: x y z, D2: x y z): 13.654 7.036 -5.372 51.431 38.869 26.797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1241562.44366268
**BOX SIZE is now: 39.777 33.833 34.169
Center of current box is (x y z): 32.5425 22.9525 10.7125
Diagonals of current box are (D1: x y z, D2: x y z): 12.654 6.036 -6.372 52.431 39.869 27.797
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1421112.29108568
**BOX SIZE is now: 41.777 34.833 36.169
Center of current box is (x y z): 32.5425 22.4525 10.7125
Diagonals of current box are (D1: x y z, D2: x y z): 11.654 5.036 -7.372 53.431 39.869 28.797
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1616604.23450868
**BOX SIZE is now: 43.777 35.833 38.169
Center of receptor atoms is (x y z): 28.8336690929452 13.934475643897 15.4339731243001
Center of current box is (x y z): 32.5425 21.9525 10.7125
Diagonals of current box is (D1: x y z, D2: x y z): 10.654 4.036 -8.372 54.431 39.869 29.797
Limit diagonals to 8.3f :  10.654    4.036   -8.372   54.431   39.869   29.797