X+ Y- Z- X+ Z+ X+ X- Y+ Z- Z- Y+ Z+ X- X- Y+ 
After creating box around spheres, box is too small (651424.571208219 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.8763536909187 27.7526096654275 4.62586882634096
Center of current box is (x y z): 8.65098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 12.24519 -13.214 22.42696 39.015 19.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 769860.553626588
**BOX SIZE is now: 28.55196 28.76981 34.71166
Center of current box is (x y z): 9.15098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 11.24519 -14.214 23.42696 40.015 20.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 901319.758164957
**BOX SIZE is now: 29.55196 30.76981 36.71166
Center of current box is (x y z): 9.65098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 10.24519 -15.214 24.42696 41.015 21.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1046450.18482333
**BOX SIZE is now: 30.55196 32.76981 38.71166
Center of current box is (x y z): 10.15098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 9.24519 -16.214 25.42696 42.015 22.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1205899.83360169
**BOX SIZE is now: 31.55196 34.76981 40.71166
Center of current box is (x y z): 10.65098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 8.24519 -17.214 26.42696 43.015 23.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1380316.70450006
**BOX SIZE is now: 32.55196 36.76981 42.71166
Center of current box is (x y z): 11.15098 25.630095 3.14183
Diagonals of current box are (D1: x y z, D2: x y z): -5.125 7.24519 -18.214 27.42696 44.015 24.49766
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1570348.79751843
**BOX SIZE is now: 33.55196 38.76981 44.71166
Center of receptor atoms is (x y z): 16.8763536909187 27.7526096654275 4.62586882634096
Center of current box is (x y z): 11.65098 25.630095 3.14183
Diagonals of current box is (D1: x y z, D2: x y z): -5.125 6.24519 -19.214 28.42696 45.015 25.49766
Limit diagonals to 8.3f :  -5.125    6.245  -19.214   28.427   45.015   25.498