X+ Y+ Z+ Y+ Z+ Z+ Y+ X+ X- Z+ X+ Z- X- X+ X- X- Z- X- Y+ 
After creating box around spheres, box is too small (607736.418881775 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 18.6133705882353 4.83541274509804 6.45397941176471
Center of current box is (x y z): 21.4865 3.72276 0.62736
Diagonals of current box are (D1: x y z, D2: x y z): 7.713 -9.85548 -14.417 35.26 17.301 15.67172
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 720788.601770598
**BOX SIZE is now: 29.547 28.15648 32.08872
Center of current box is (x y z): 21.4865 4.22276 0.62736
Diagonals of current box are (D1: x y z, D2: x y z): 6.713 -9.85548 -15.417 36.26 18.301 16.67172
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 846579.24209942
**BOX SIZE is now: 31.547 29.15648 34.08872
Center of current box is (x y z): 21.4865 4.72276 0.627359999999999
Diagonals of current box are (D1: x y z, D2: x y z): 5.713 -9.85548 -16.417 37.26 19.301 17.67172
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 985756.339868243
**BOX SIZE is now: 33.547 30.15648 36.08872
Center of current box is (x y z): 21.4865 5.22276 0.627359999999999
Diagonals of current box are (D1: x y z, D2: x y z): 4.713 -9.85548 -17.417 38.26 20.301 18.67172
D1X- D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1109064.87142395
**BOX SIZE is now: 35.547 31.15648 37.08872
Center of current box is (x y z): 21.4865 5.72276 1.12736
Diagonals of current box are (D1: x y z, D2: x y z): 3.713 -9.85548 -17.417 39.26 21.301 19.67172
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1246178.61332688
**BOX SIZE is now: 36.547 33.15648 38.08872
Center of current box is (x y z): 20.9865 5.72276 1.62736
Diagonals of current box are (D1: x y z, D2: x y z): 2.713 -10.85548 -17.417 39.26 22.301 20.67172
D1X- D2Y+ D2Z+ 
**Total grid points in box is now: 1353516.53032413
**BOX SIZE is now: 37.547 34.15648 39.08872
Center of current box is (x y z): 20.4865 6.22276 2.12736
Diagonals of current box are (D1: x y z, D2: x y z): 1.713 -10.85548 -17.417 39.26 23.301 21.67172
D1X- D2Y+ 
**Total grid points in box is now: 1430247.45158826
**BOX SIZE is now: 38.547 35.15648 39.08872
Center of current box is (x y z): 19.9865 6.72276 2.12736
Diagonals of current box are (D1: x y z, D2: x y z): 0.713000000000001 -10.85548 -17.417 39.26 24.301 21.67172
D1X- D1Y- 
**Total grid points in box is now: 1509089.16373239
**BOX SIZE is now: 39.547 36.15648 39.08872
Center of receptor atoms is (x y z): 18.6133705882353 4.83541274509804 6.45397941176471
Center of current box is (x y z): 19.4865 6.22276 2.12736
Diagonals of current box is (D1: x y z, D2: x y z): -0.286999999999999 -11.85548 -17.417 39.26 24.301 21.67172
Limit diagonals to 8.3f :  -0.287  -11.855  -17.417   39.260   24.301   21.672