X+ Y+ Z- X- Y+ Z+ X+ X+ Y+ Z- Y+ Z+ X- Z+ Y+ 
After creating box around spheres, box is too small (968473.105883918 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.1031034619976 -3.28789375248707 -19.9126593712694
Center of current box is (x y z): 15.695 0.493 16.23233
Diagonals of current box are (D1: x y z, D2: x y z): 1.109 -17.758 -33.075 30.281 18.744 0.610340000000001
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1156382.63221456
**BOX SIZE is now: 31.172 38.502 35.68534
Center of current box is (x y z): 15.695 0.493 16.23233
Diagonals of current box are (D1: x y z, D2: x y z): 0.109 -18.758 -34.075 31.281 19.744 1.61034
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1367049.7759852
**BOX SIZE is now: 33.172 40.502 37.68534
Center of current box is (x y z): 15.695 0.493 16.23233
Diagonals of current box are (D1: x y z, D2: x y z): -0.891 -19.758 -35.075 32.281 20.744 2.61034
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1601770.53719584
**BOX SIZE is now: 35.172 42.502 39.68534
Center of receptor atoms is (x y z): 15.1031034619976 -3.28789375248707 -19.9126593712694
Center of current box is (x y z): 15.695 0.493 -16.23233
Diagonals of current box is (D1: x y z, D2: x y z): -1.891 -20.758 -36.075 33.281 21.744 3.61034
Limit diagonals to 8.3f :  -1.891  -20.758  -36.075   33.281   21.744    3.610