X+ Y+ Z+ X- Y- Z- Y+ X- Y+ Y+ Z+ Y+ Z+ Z- X+ Z- X+ 
After creating box around spheres, box is too small (694717.297113206 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.7661453580902 4.33742334217507 21.6744238726791
Center of current box is (x y z): 19.400925 5.49028 29.648575
Diagonals of current box are (D1: x y z, D2: x y z): 4.96285 -9.77634 15.057 33.839 20.7569 44.24015
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 845734.811565449
**BOX SIZE is now: 30.87615 32.53324 31.18315
Center of current box is (x y z): 19.400925 5.49028 29.648575
Diagonals of current box are (D1: x y z, D2: x y z): 3.96285 -10.77634 14.057 34.839 21.7569 45.24015
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1017184.31465769
**BOX SIZE is now: 32.87615 34.53324 33.18315
Center of current box is (x y z): 19.400925 5.49028 29.648575
Diagonals of current box are (D1: x y z, D2: x y z): 2.96285 -11.77634 13.057 35.839 22.7569 46.24015
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1210361.80638994
**BOX SIZE is now: 34.87615 36.53324 35.18315
Center of current box is (x y z): 19.400925 5.49028 29.648575
Diagonals of current box are (D1: x y z, D2: x y z): 1.96285 -12.77634 12.057 36.839 23.7569 47.24015
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1426563.28676218
**BOX SIZE is now: 36.87615 38.53324 37.18315
Center of current box is (x y z): 19.400925 5.49028 29.648575
Diagonals of current box are (D1: x y z, D2: x y z): 0.96285 -13.77634 11.057 37.839 24.7569 48.24015
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1624202.81515596
**BOX SIZE is now: 37.87615 40.53324 39.18315
Center of receptor atoms is (x y z): 15.7661453580902 4.33742334217507 21.6744238726791
Center of current box is (x y z): 18.900925 5.49028 29.648575
Diagonals of current box is (D1: x y z, D2: x y z): -0.0371500000000005 -14.77634 10.057 37.839 25.7569 49.24015
Limit diagonals to 8.3f :  -0.037  -14.776   10.057   37.839   25.757   49.240