X+ Y+ Z+ X+ Y+ Z+ X- Z- X+ Z- X+ Y- Z+ X- Y- Z- 
After creating box around spheres, box is too small (599563.115173982 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.2560676136364 32.9532147727273 12.0733920454546
Center of current box is (x y z): 27.229935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 11.4264 22.695 -4.896 43.03347 49.63429 21.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 715408.628862448
**BOX SIZE is now: 32.60707 28.93929 28.07959
Center of current box is (x y z): 26.729935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 10.4264 21.695 -5.896 43.03347 50.63429 22.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 844455.308710914
**BOX SIZE is now: 33.60707 30.93929 30.07959
Center of current box is (x y z): 26.229935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 9.4264 20.695 -6.896 43.03347 51.63429 23.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 987351.15471938
**BOX SIZE is now: 34.60707 32.93929 32.07959
Center of current box is (x y z): 25.729935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 8.4264 19.695 -7.896 43.03347 52.63429 24.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1144744.16688785
**BOX SIZE is now: 35.60707 34.93929 34.07959
Center of current box is (x y z): 25.229935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 7.4264 18.695 -8.896 43.03347 53.63429 25.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1317282.34521631
**BOX SIZE is now: 36.60707 36.93929 36.07959
Center of current box is (x y z): 24.729935 36.164645 8.143795
Diagonals of current box are (D1: x y z, D2: x y z): 6.4264 17.695 -9.896 43.03347 54.63429 26.18359
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1505613.68970478
**BOX SIZE is now: 37.60707 38.93929 38.07959
Center of receptor atoms is (x y z): 20.2560676136364 32.9532147727273 12.0733920454546
Center of current box is (x y z): 24.229935 36.164645 8.143795
Diagonals of current box is (D1: x y z, D2: x y z): 5.4264 16.695 -10.896 43.03347 55.63429 27.18359
Limit diagonals to 8.3f :   5.426   16.695  -10.896   43.033   55.634   27.184