X+ Y- Z- X- Y+ Z+ X- Y- X- Z+ X- X- Y+ Z- Y- Y- 
After creating box around spheres, box is too small (658752.139992898 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.5035537688442 19.2011562814071 -1.38032060301507
Center of current box is (x y z): 12.735105 13.5359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -2.1714 -1.131 -10.62574 27.64161 28.2028 17.27297
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 804700.079059965
**BOX SIZE is now: 31.81301 31.3338 29.89871
Center of current box is (x y z): 12.735105 13.5359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -3.1714 -2.131 -11.62574 28.64161 29.2028 18.27297
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 941623.882641171
**BOX SIZE is now: 33.81301 32.3338 31.89871
Center of current box is (x y z): 12.735105 14.0359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -4.1714 -2.131 -12.62574 29.64161 30.2028 19.27297
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1092628.65278238
**BOX SIZE is now: 35.81301 33.3338 33.89871
Center of current box is (x y z): 12.735105 14.5359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -5.1714 -2.131 -13.62574 30.64161 31.2028 20.27297
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1258362.38948358
**BOX SIZE is now: 37.81301 34.3338 35.89871
Center of current box is (x y z): 12.735105 15.0359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -6.1714 -2.131 -14.62574 31.64161 32.2028 21.27297
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1439473.09274479
**BOX SIZE is now: 39.81301 35.3338 37.89871
Center of current box is (x y z): 12.735105 15.5359 3.323615
Diagonals of current box are (D1: x y z, D2: x y z): -7.1714 -2.131 -15.62574 32.64161 33.2028 22.27297
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1595589.67291207
**BOX SIZE is now: 41.81301 36.3338 38.89871
Center of receptor atoms is (x y z): 16.5035537688442 19.2011562814071 -1.38032060301507
Center of current box is (x y z): 12.735105 16.0359 2.823615
Diagonals of current box is (D1: x y z, D2: x y z): -8.1714 -2.131 -16.62574 33.64161 34.2028 22.27297
Limit diagonals to 8.3f :  -8.171   -2.131  -16.626   33.642   34.203   22.273