X- Y- Z- Y+ X- Z- X- Y+ Z+ X- Y+ 
After creating box around spheres, box is too small (822255.901593037 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.0181915125136 14.3751605005441 24.9160397170838
Center of current box is (x y z): 7.768325 4.90876 20.516
Diagonals of current box are (D1: x y z, D2: x y z): -7.96135 -10.108 4.4 23.498 19.92552 36.632
D2X+ D1Y- D2Y+ D1Z- D2Z+ D1X+ 
**Total grid points in box is now: 931430.481870085
**BOX SIZE is now: 31.45935 32.03352 34.232
Center of current box is (x y z): 8.768325 4.90876 20.516
Diagonals of current box are (D1: x y z, D2: x y z): -6.96135 -11.108 3.4 24.498 20.92552 37.632
D2X+ D2Y+ D1Z- D2Z+ D1X+ 
**Total grid points in box is now: 1016624.73217873
**BOX SIZE is now: 31.45935 33.03352 36.232
Center of current box is (x y z): 9.768325 5.40876 20.516
Diagonals of current box are (D1: x y z, D2: x y z): -5.96135 -11.108 2.4 25.498 21.92552 38.632
D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1140348.16977666
**BOX SIZE is now: 32.45935 34.03352 38.232
Center of current box is (x y z): 10.268325 5.90876 20.516
Diagonals of current box are (D1: x y z, D2: x y z): -5.96135 -11.108 1.4 26.498 22.92552 39.632
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1241667.99753446
**BOX SIZE is now: 33.45935 35.03352 39.232
Center of current box is (x y z): 10.768325 6.40876 21.016
Diagonals of current box are (D1: x y z, D2: x y z): -5.96135 -11.108 1.4 27.498 23.92552 40.632
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1348804.96827227
**BOX SIZE is now: 34.45935 36.03352 40.232
Center of current box is (x y z): 11.268325 6.90876 21.516
Diagonals of current box are (D1: x y z, D2: x y z): -5.96135 -11.108 1.4 28.498 24.92552 41.632
D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1501396.69980847
**BOX SIZE is now: 35.45935 38.03352 41.232
Center of receptor atoms is (x y z): 20.0181915125136 14.3751605005441 24.9160397170838
Center of current box is (x y z): 11.768325 6.90876 22.016
Diagonals of current box is (D1: x y z, D2: x y z): -5.96135 -12.108 1.4 29.498 25.92552 42.632
Limit diagonals to 8.3f :  -5.961  -12.108    1.400   29.498   25.926   42.632