X- Y- Z- X+ Z+ Z+ X- Y- X+ Z+ X- X- Y- X+ Y+ X- Y- 
After creating box around spheres, box is too small (737329.226992579 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 29.1503091445428 4.92108849557523 56.3887286135693
Center of current box is (x y z): 28.93502 7.142435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 12.891 -7.25 48.97061 44.97904 21.53487 78.53645
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 865324.210322488
**BOX SIZE is now: 34.08804 29.78487 31.56584
Center of current box is (x y z): 28.93502 6.642435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 11.891 -8.25 47.97061 45.97904 21.53487 79.53645
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1006843.3446124
**BOX SIZE is now: 36.08804 30.78487 33.56584
Center of current box is (x y z): 28.93502 6.142435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 10.891 -9.25 46.97061 46.97904 21.53487 80.53645
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1162534.62986231
**BOX SIZE is now: 38.08804 31.78487 35.56584
Center of current box is (x y z): 28.93502 5.642435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 9.891 -10.25 45.97061 47.97904 21.53487 81.53645
D1X- D2X+ D1Z- D2Z+ 
**Total grid points in box is now: 1292385.66186527
**BOX SIZE is now: 40.08804 31.78487 37.56584
Center of current box is (x y z): 28.93502 5.642435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 8.891 -10.25 44.97061 48.97904 21.53487 82.53645
D1X- D2X+ D1Z- D2Z+ 
**Total grid points in box is now: 1429102.22578823
**BOX SIZE is now: 42.08804 31.78487 39.56584
Center of current box is (x y z): 28.93502 5.642435 63.75353
Diagonals of current box are (D1: x y z, D2: x y z): 7.891 -10.25 43.97061 49.97904 21.53487 83.53645
D1X- D2X+ D1Z- D2Z+ 
**Total grid points in box is now: 1572684.32163119
**BOX SIZE is now: 44.08804 31.78487 41.56584
Center of receptor atoms is (x y z): 29.1503091445428 4.92108849557523 56.3887286135693
Center of current box is (x y z): 28.93502 5.642435 63.75353
Diagonals of current box is (D1: x y z, D2: x y z): 6.891 -10.25 42.97061 50.97904 21.53487 84.53645
Limit diagonals to 8.3f :   6.891  -10.250   42.971   50.979   21.535   84.536