X- Y- Z- X+ Y+ Z+ X+ Z+ X+ Y- Z- Z+ Z- Y+ Y+ 
After creating box around spheres, box is too small (801819.397312653 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.0267780207764 13.7505303444505 25.1008458173866
Center of current box is (x y z): 9.571905 4.60619 21.80671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -10.85188 5.96588 24.73157 20.06426 37.64754
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 937515.842520044
**BOX SIZE is now: 31.31933 32.91614 33.68166
Center of current box is (x y z): 10.071905 4.60619 21.80671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -11.85188 4.96588 25.73157 21.06426 38.64754
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1056033.22710626
**BOX SIZE is now: 32.31933 33.91614 35.68166
Center of current box is (x y z): 10.571905 5.10619 21.80671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -11.85188 3.96588 26.73157 22.06426 39.64754
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1183630.85209248
**BOX SIZE is now: 33.31933 34.91614 37.68166
Center of current box is (x y z): 11.071905 5.60619 21.80671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -11.85188 2.96588 27.73157 23.06426 40.64754
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1320632.7174787
**BOX SIZE is now: 34.31933 35.91614 39.68166
Center of current box is (x y z): 11.571905 6.10619 21.80671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -11.85188 1.96588 28.73157 24.06426 41.64754
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1432158.7833283
**BOX SIZE is now: 35.31933 36.91614 40.68166
Center of current box is (x y z): 12.071905 6.60619 22.30671
Diagonals of current box are (D1: x y z, D2: x y z): -5.58776 -11.85188 1.96588 29.73157 25.06426 42.64754
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1628818.34277569
**BOX SIZE is now: 36.31933 38.91614 42.68166
Center of receptor atoms is (x y z): 20.0267780207764 13.7505303444505 25.1008458173866
Center of current box is (x y z): 12.571905 6.60619 22.30671
Diagonals of current box is (D1: x y z, D2: x y z): -5.58776 -12.85188 0.96588 30.73157 26.06426 43.64754
Limit diagonals to 8.3f :  -5.588  -12.852    0.966   30.732   26.064   43.648