X+ Y+ Z+ Z- Y+ Y- X+ Y- X+ Y- Y- Z+ Y- 
After creating box around spheres, box is too small (643949.375059224 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 19.2969634091923 15.5719968763945 26.2586175814368
Center of current box is (x y z): 21.4875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): 3.921 -3.0036 19.56 39.054 25.13253 43.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 768156.067648756
**BOX SIZE is now: 36.133 30.13613 26.12728
Center of current box is (x y z): 20.9875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): 2.921 -4.0036 18.56 39.054 26.13253 44.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 906243.936518289
**BOX SIZE is now: 37.133 32.13613 28.12728
Center of current box is (x y z): 20.4875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): 1.921 -5.0036 17.56 39.054 27.13253 45.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1058860.98166782
**BOX SIZE is now: 38.133 34.13613 30.12728
Center of current box is (x y z): 19.9875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): 0.920999999999999 -6.0036 16.56 39.054 28.13253 46.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1226655.20309735
**BOX SIZE is now: 39.133 36.13613 32.12728
Center of current box is (x y z): 19.4875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): -0.0790000000000006 -7.0036 15.56 39.054 29.13253 47.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1410274.60080689
**BOX SIZE is now: 40.133 38.13613 34.12728
Center of current box is (x y z): 18.9875 11.064465 31.62364
Diagonals of current box are (D1: x y z, D2: x y z): -1.079 -8.0036 14.56 39.054 30.13253 48.68728
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1610367.17479642
**BOX SIZE is now: 41.133 40.13613 36.12728
Center of receptor atoms is (x y z): 19.2969634091923 15.5719968763945 26.2586175814368
Center of current box is (x y z): 18.4875 11.064465 31.62364
Diagonals of current box is (D1: x y z, D2: x y z): -2.079 -9.0036 13.56 39.054 31.13253 49.68728
Limit diagonals to 8.3f :  -2.079   -9.004   13.560   39.054   31.133   49.687