X- Y+ Z+ X+ Z- X- Y+ Z- Z- X- Z+ X- 
After creating box around spheres, box is too small (763957.536944175 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 39.0616364089776 30.897183042394 1.61824389027432
Center of current box is (x y z): 40.8375 30.9845 9.6125
Diagonals of current box are (D1: x y z, D2: x y z): 27.113 14.552 -6.07 54.562 47.417 25.295
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 924943.308674175
**BOX SIZE is now: 29.449 34.865 33.365
Center of current box is (x y z): 40.8375 30.9845 9.6125
Diagonals of current box are (D1: x y z, D2: x y z): 26.113 13.552 -7.07 55.562 48.417 26.295
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1107027.74440418
**BOX SIZE is now: 31.449 36.865 35.365
Center of current box is (x y z): 40.8375 30.9845 9.6125
Diagonals of current box are (D1: x y z, D2: x y z): 25.113 12.552 -8.07 56.562 49.417 27.295
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1311506.84413417
**BOX SIZE is now: 33.449 38.865 37.365
Center of current box is (x y z): 40.8375 30.9845 9.6125
Diagonals of current box are (D1: x y z, D2: x y z): 24.113 11.552 -9.07 57.562 50.417 28.295
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1539676.60786418
**BOX SIZE is now: 35.449 40.865 39.365
Center of receptor atoms is (x y z): 39.0616364089776 30.897183042394 1.61824389027432
Center of current box is (x y z): 40.8375 30.9845 9.6125
Diagonals of current box is (D1: x y z, D2: x y z): 23.113 10.552 -10.07 58.562 51.417 29.295
Limit diagonals to 8.3f :  23.113   10.552  -10.070   58.562   51.417   29.295