X- Y+ Z- Y- X- X- Y- Z- Z- Y- Y- X+ Z+ Y- 
After creating box around spheres, box is too small (998251.890474384 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.6817996340348 8.39403659652331 47.6099460201282
Center of current box is (x y z): 20.08 10.983 42.602
Diagonals of current box are (D1: x y z, D2: x y z): 3.282 -5.67 26.081 36.878 27.636 59.123
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1122672.89335838
**BOX SIZE is now: 34.596 35.306 34.042
Center of current box is (x y z): 19.58 10.983 43.102
Diagonals of current box are (D1: x y z, D2: x y z): 2.282 -6.67 26.081 36.878 28.636 60.123
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1256413.32424238
**BOX SIZE is now: 35.596 37.306 35.042
Center of current box is (x y z): 19.08 10.983 43.602
Diagonals of current box are (D1: x y z, D2: x y z): 1.282 -7.67 26.081 36.878 29.636 61.123
D1X- D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1438047.18813038
**BOX SIZE is now: 37.596 39.306 36.042
Center of current box is (x y z): 19.08 10.983 44.102
Diagonals of current box are (D1: x y z, D2: x y z): 0.282 -8.67 26.081 37.878 30.636 62.123
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1594460.00501438
**BOX SIZE is now: 38.596 41.306 37.042
Center of receptor atoms is (x y z): 16.6817996340348 8.39403659652331 47.6099460201282
Center of current box is (x y z): 18.58 10.983 44.602
Diagonals of current box is (D1: x y z, D2: x y z): -0.718 -9.67 26.081 37.878 31.636 63.123
Limit diagonals to 8.3f :  -0.718   -9.670   26.081   37.878   31.636   63.123