X- Y- Z+ X+ Y+ Z- X+ Y+ X+ Z+ X+ Y- Y- Z+ Y+ X+ Y- Z+ Z+ Z- Y+ 
After creating box around spheres, box is too small (864306.15940926 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 21.3134444648094 -8.24935153958944 16.9636321480939
Center of current box is (x y z): 12.97 10.3935 19.0875
Diagonals of current box are (D1: x y z, D2: x y z): -5.084 -27.291 5.971 31.024 6.504 32.204
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1039822.75139526
**BOX SIZE is now: 38.108 35.795 28.233
Center of current box is (x y z): 12.97 10.3935 19.0875
Diagonals of current box are (D1: x y z, D2: x y z): -6.084 -28.291 4.971 32.024 7.504 33.204
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1237400.71938126
**BOX SIZE is now: 40.108 37.795 30.233
Center of current box is (x y z): 12.97 10.3935 19.0875
Diagonals of current box are (D1: x y z, D2: x y z): -7.084 -29.291 3.971 33.024 8.504 34.204
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1458336.06336726
**BOX SIZE is now: 42.108 39.795 32.233
Center of current box is (x y z): 12.97 10.3935 19.0875
Diagonals of current box are (D1: x y z, D2: x y z): -8.084 -30.291 2.971 34.024 9.504 35.204
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1703924.78335326
**BOX SIZE is now: 44.108 41.795 34.233
Center of receptor atoms is (x y z): 21.3134444648094 -8.24935153958944 16.9636321480939
Center of current box is (x y z): 12.97 -10.3935 19.0875
Diagonals of current box is (D1: x y z, D2: x y z): -9.084 -31.291 1.971 35.024 10.504 36.204
Limit diagonals to 8.3f :  -9.084  -31.291    1.971   35.024   10.504   36.204