X- Y+ Z+ X+ Y- Z- Y- X- X+ X+ 
After creating box around spheres, box is too small (979771.450907808 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 21.9890191925877 29.6197518199868 19.338355393779
Center of current box is (x y z): 21.155 31.582 11.501
Diagonals of current box are (D1: x y z, D2: x y z): 5.789 14.731 -6.017 36.521 48.433 29.019
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1105165.68142781
**BOX SIZE is now: 32.732 34.702 36.036
Center of current box is (x y z): 21.155 31.082 12.001
Diagonals of current box are (D1: x y z, D2: x y z): 4.789 13.731 -6.017 37.521 48.433 30.019
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1239967.14394781
**BOX SIZE is now: 34.732 35.702 37.036
Center of current box is (x y z): 21.155 30.582 12.501
Diagonals of current box are (D1: x y z, D2: x y z): 3.789 12.731 -6.017 38.521 48.433 31.019
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1384499.83846781
**BOX SIZE is now: 36.732 36.702 38.036
Center of current box is (x y z): 21.155 30.082 13.001
Diagonals of current box are (D1: x y z, D2: x y z): 2.789 11.731 -6.017 39.521 48.433 32.019
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1539087.76498781
**BOX SIZE is now: 38.732 37.702 39.036
Center of receptor atoms is (x y z): 21.9890191925877 29.6197518199868 19.338355393779
Center of current box is (x y z): 21.155 29.582 13.501
Diagonals of current box is (D1: x y z, D2: x y z): 1.789 10.731 -6.017 40.521 48.433 33.019
Limit diagonals to 8.3f :   1.789   10.731   -6.017   40.521   48.433   33.019