X+ Y+ Z- X- X+ Y+ Z- Z+ Z+ Y- Y- Y- 
After creating box around spheres, box is too small (695761.473248885 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.336791645178 0.67051779267664 16.6647150593089
Center of current box is (x y z): 11.009 6.084995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -2.62291 -10.897 9.11818 24.64091 23.06699 36.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 824040.378726517
**BOX SIZE is now: 29.26382 34.96399 29.82859
Center of current box is (x y z): 11.009 5.584995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -3.62291 -11.897 8.11818 25.64091 23.06699 37.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 966253.486324148
**BOX SIZE is now: 31.26382 35.96399 31.82859
Center of current box is (x y z): 11.009 5.084995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -4.62291 -12.897 7.11818 26.64091 23.06699 38.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1123048.79604178
**BOX SIZE is now: 33.26382 36.96399 33.82859
Center of current box is (x y z): 11.009 4.584995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -5.62291 -13.897 6.11818 27.64091 23.06699 39.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1295074.30787941
**BOX SIZE is now: 35.26382 37.96399 35.82859
Center of current box is (x y z): 11.009 4.084995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -6.62291 -14.897 5.11818 28.64091 23.06699 40.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1482978.02183704
**BOX SIZE is now: 37.26382 38.96399 37.82859
Center of current box is (x y z): 11.009 3.584995 23.032475
Diagonals of current box are (D1: x y z, D2: x y z): -7.62291 -15.897 4.11818 29.64091 23.06699 41.94677
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1687407.93791467
**BOX SIZE is now: 39.26382 39.96399 39.82859
Center of receptor atoms is (x y z): 15.336791645178 0.67051779267664 16.6647150593089
Center of current box is (x y z): 11.009 3.084995 23.032475
Diagonals of current box is (D1: x y z, D2: x y z): -8.62291 -16.897 3.11818 30.64091 23.06699 42.94677
Limit diagonals to 8.3f :  -8.623  -16.897    3.118   30.641   23.067   42.947