X- Y+ Z- Z+ X- Z- Y+ X+ Y+ 
After creating box around spheres, box is too small (776086.624172448 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.6388099009901 27.2796376237624 4.68316435643564
Center of current box is (x y z): 11.707 22.608 5.5385
Diagonals of current box are (D1: x y z, D2: x y z): -5.159 7.732 -8.782 28.573 37.484 19.859
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 912362.816540448
**BOX SIZE is now: 34.732 31.752 30.641
Center of current box is (x y z): 12.207 22.608 5.5385
Diagonals of current box are (D1: x y z, D2: x y z): -5.159 6.732 -9.782 29.573 38.484 20.859
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1062879.56490845
**BOX SIZE is now: 35.732 33.752 32.641
Center of current box is (x y z): 12.707 22.608 5.5385
Diagonals of current box are (D1: x y z, D2: x y z): -5.159 5.732 -10.782 30.573 39.484 21.859
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1228284.86927645
**BOX SIZE is now: 36.732 35.752 34.641
Center of current box is (x y z): 13.207 22.608 5.5385
Diagonals of current box are (D1: x y z, D2: x y z): -5.159 4.732 -11.782 31.573 40.484 22.859
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1409226.72964445
**BOX SIZE is now: 37.732 37.752 36.641
Center of current box is (x y z): 13.707 22.608 5.5385
Diagonals of current box are (D1: x y z, D2: x y z): -5.159 3.732 -12.782 32.573 41.484 23.859
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1606353.14601245
**BOX SIZE is now: 38.732 39.752 38.641
Center of receptor atoms is (x y z): 16.6388099009901 27.2796376237624 4.68316435643564
Center of current box is (x y z): 14.207 22.608 5.5385
Diagonals of current box is (D1: x y z, D2: x y z): -5.159 2.732 -13.782 33.573 42.484 24.859
Limit diagonals to 8.3f :  -5.159    2.732  -13.782   33.573   42.484   24.859