X- Y+ Z+ Y+ Z+ X- Y- Z+ X- X- Y- X+ X+ X- X+ 
After creating box around spheres, box is too small (752875.20460285 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 28.4703089855071 13.9277776811595 15.3124223188406
Center of current box is (x y z): 30.77 21.614525 12.37673
Diagonals of current box are (D1: x y z, D2: x y z): 15.251 6.41404 -2.39897 46.289 36.81501 27.15243
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 911914.580348422
**BOX SIZE is now: 33.038 32.40097 31.5514
Center of current box is (x y z): 30.77 21.614525 12.37673
Diagonals of current box are (D1: x y z, D2: x y z): 14.251 5.41404 -3.39897 47.289 37.81501 28.15243
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1091903.87601399
**BOX SIZE is now: 35.038 34.40097 33.5514
Center of current box is (x y z): 30.77 21.614525 12.37673
Diagonals of current box are (D1: x y z, D2: x y z): 13.251 4.41404 -4.39897 48.289 38.81501 29.15243
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1294139.09159957
**BOX SIZE is now: 37.038 36.40097 35.5514
Center of current box is (x y z): 30.77 21.614525 12.37673
Diagonals of current box are (D1: x y z, D2: x y z): 12.251 3.41404 -5.39897 49.289 39.81501 30.15243
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1519916.22710514
**BOX SIZE is now: 39.038 38.40097 37.5514
Center of receptor atoms is (x y z): 28.4703089855071 13.9277776811595 15.3124223188406
Center of current box is (x y z): 30.77 21.614525 12.37673
Diagonals of current box is (D1: x y z, D2: x y z): 11.251 2.41404 -6.39897 50.289 40.81501 31.15243
Limit diagonals to 8.3f :  11.251    2.414   -6.399   50.289   40.815   31.152