X- Y+ Z- Y- Y- Z+ Z+ X- Y- 
After creating box around spheres, box is too small (749230.037228338 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 37.6495919239905 34.215496912114 37.1097135391924
Center of current box is (x y z): 33.083 28.34657 38.86671
Diagonals of current box are (D1: x y z, D2: x y z): 17.444 13.171 24.25142 48.722 43.52214 53.482
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 907800.924045483
**BOX SIZE is now: 33.278 32.35114 31.23058
Center of current box is (x y z): 33.083 28.34657 38.86671
Diagonals of current box are (D1: x y z, D2: x y z): 16.444 12.171 23.25142 49.722 44.52214 54.482
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1055641.18354915
**BOX SIZE is now: 35.278 33.35114 33.23058
Center of current box is (x y z): 33.083 28.84657 38.86671
Diagonals of current box are (D1: x y z, D2: x y z): 15.444 12.171 22.25142 50.722 45.52214 55.482
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1218084.21593281
**BOX SIZE is now: 37.278 34.35114 35.23058
Center of current box is (x y z): 33.083 29.34657 38.86671
Diagonals of current box are (D1: x y z, D2: x y z): 14.444 12.171 21.25142 51.722 46.52214 56.482
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1360242.14815823
**BOX SIZE is now: 38.278 35.35114 37.23058
Center of current box is (x y z): 33.583 29.84657 38.86671
Diagonals of current box are (D1: x y z, D2: x y z): 14.444 12.171 20.25142 52.722 47.52214 57.482
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1512362.47882364
**BOX SIZE is now: 39.278 36.35114 39.23058
Center of receptor atoms is (x y z): 37.6495919239905 34.215496912114 37.1097135391924
Center of current box is (x y z): 34.083 30.34657 38.86671
Diagonals of current box is (D1: x y z, D2: x y z): 14.444 12.171 19.25142 53.722 48.52214 58.482
Limit diagonals to 8.3f :  14.444   12.171   19.251   53.722   48.522   58.482