X- Y- Z- X- Y+ Z+ X- Y+ Z- X+ Z+ Y- Y+ Y- Z+ 
After creating box around spheres, box is too small (657396.704774657 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 19.498 31.6920860103627 12.4357487046632
Center of current box is (x y z): 24.01242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 6.83784 21.876 -5.37973 41.187 49.48468 20.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 782062.913907432
**BOX SIZE is now: 35.34916 29.60868 27.6745
Center of current box is (x y z): 23.51242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 5.83784 20.876 -6.37973 41.187 50.48468 21.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 920551.125040208
**BOX SIZE is now: 36.34916 31.60868 29.6745
Center of current box is (x y z): 23.01242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 4.83784 19.876 -7.37973 41.187 51.48468 22.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1073509.33817298
**BOX SIZE is now: 37.34916 33.60868 31.6745
Center of current box is (x y z): 22.51242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 3.83784 18.876 -8.37973 41.187 52.48468 23.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1241585.55330576
**BOX SIZE is now: 38.34916 35.60868 33.6745
Center of current box is (x y z): 22.01242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 2.83784 17.876 -9.37973 41.187 53.48468 24.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1425427.77043853
**BOX SIZE is now: 39.34916 37.60868 35.6745
Center of current box is (x y z): 21.51242 35.68034 7.45752
Diagonals of current box are (D1: x y z, D2: x y z): 1.83784 16.876 -10.37973 41.187 54.48468 25.29477
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1625683.98957131
**BOX SIZE is now: 40.34916 39.60868 37.6745
Center of receptor atoms is (x y z): 19.498 31.6920860103627 12.4357487046632
Center of current box is (x y z): 21.01242 35.68034 7.45752
Diagonals of current box is (D1: x y z, D2: x y z): 0.83784 15.876 -11.37973 41.187 55.48468 26.29477
Limit diagonals to 8.3f :   0.838   15.876  -11.380   41.187   55.485   26.295