X- Y+ Z+ X- Y+ X- X+ Z- Z- X+ X+ X+ 
After creating box around spheres, box is too small (752944.859667936 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.3730631045601 -0.928859972362965 7.67497005988024
Center of current box is (x y z): 22.64041 10.6125 2.97
Diagonals of current box are (D1: x y z, D2: x y z): 8.164 -26.795 -11.91 37.11682 5.57 17.85
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 882669.911922936
**BOX SIZE is now: 29.95282 34.365 31.76
Center of current box is (x y z): 23.14041 10.6125 2.97
Diagonals of current box are (D1: x y z, D2: x y z): 8.164 -27.795 -12.91 38.11682 6.57 18.85
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1026006.27329794
**BOX SIZE is now: 30.95282 36.365 33.76
Center of current box is (x y z): 23.64041 10.6125 2.97
Diagonals of current box are (D1: x y z, D2: x y z): 8.164 -28.795 -13.91 39.11682 7.57 19.85
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1183601.94379294
**BOX SIZE is now: 31.95282 38.365 35.76
Center of current box is (x y z): 24.14041 10.6125 2.97
Diagonals of current box are (D1: x y z, D2: x y z): 8.164 -29.795 -14.91 40.11682 8.57 20.85
D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1320191.12776684
**BOX SIZE is now: 32.95282 40.365 36.76
Center of current box is (x y z): 24.64041 10.6125 3.47
Diagonals of current box are (D1: x y z, D2: x y z): 8.164 -30.795 -14.91 41.11682 9.57 21.85
D1X- D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1509680.97110074
**BOX SIZE is now: 34.95282 42.365 37.76
Center of receptor atoms is (x y z): 20.3730631045601 -0.928859972362965 7.67497005988024
Center of current box is (x y z): 24.64041 -10.6125 3.97
Diagonals of current box is (D1: x y z, D2: x y z): 7.164 -31.795 -14.91 42.11682 10.57 22.85
Limit diagonals to 8.3f :   7.164  -31.795  -14.910   42.117   10.570   22.850