X- Y- Z+ Y- Z+ X+ X+ Y- Y- 
After creating box around spheres, box is too small (768811.478876329 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 3.46114700460827 15.6702700460829 -0.291694009216593
Center of current box is (x y z): 1.771345 13.9785 10.087435
Diagonals of current box are (D1: x y z, D2: x y z): -12.069 -2.54 -25.656 15.61169 30.497 5.48113
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 930421.123803753
**BOX SIZE is now: 29.68069 35.037 33.13713
Center of current box is (x y z): 1.771345 13.9785 10.087435
Diagonals of current box are (D1: x y z, D2: x y z): -13.069 -3.54 -26.656 16.61169 31.497 6.48113
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1113167.40985118
**BOX SIZE is now: 31.68069 37.037 35.13713
Center of current box is (x y z): 1.771345 13.9785 10.087435
Diagonals of current box are (D1: x y z, D2: x y z): -14.069 -4.54 -27.656 17.61169 32.497 7.48113
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1318346.3370186
**BOX SIZE is now: 33.68069 39.037 37.13713
Center of current box is (x y z): 1.771345 13.9785 10.087435
Diagonals of current box are (D1: x y z, D2: x y z): -15.069 -5.54 -28.656 18.61169 33.497 8.48113
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1547253.90530602
**BOX SIZE is now: 35.68069 41.037 39.13713
Center of receptor atoms is (x y z): 3.46114700460827 15.6702700460829 -0.291694009216593
Center of current box is (x y z): 1.771345 13.9785 -10.087435
Diagonals of current box is (D1: x y z, D2: x y z): -16.069 -6.54 -29.656 19.61169 34.497 9.48113
Limit diagonals to 8.3f : -16.069   -6.540  -29.656   19.612   34.497    9.481