X+ Y- Z+ X+ Y- Z+ Z- X+ X+ Y- Z- X+ Y- Z- Y- Z- X- Z+ 
After creating box around spheres, box is too small (926592.335083602 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 18.3532870945479 -1.9348502415459 6.01520910973084
Center of current box is (x y z): 16.0475 1.481 0.811500000000001
Diagonals of current box are (D1: x y z, D2: x y z): 0.926 -18.842 -17.152 31.169 15.88 15.529
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1078515.9820366
**BOX SIZE is now: 32.243 35.722 34.681
Center of current box is (x y z): 16.0475 1.981 0.811500000000001
Diagonals of current box are (D1: x y z, D2: x y z): -0.0739999999999998 -19.842 -18.152 32.169 15.88 16.529
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1211431.6439476
**BOX SIZE is now: 34.243 36.722 35.681
Center of current box is (x y z): 16.0475 2.481 0.311500000000001
Diagonals of current box are (D1: x y z, D2: x y z): -1.074 -20.842 -18.152 33.169 15.88 17.529
D1X- D2X+ D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1390929.2299006
**BOX SIZE is now: 36.243 37.722 37.681
Center of current box is (x y z): 16.0475 2.981 0.311500000000001
Diagonals of current box are (D1: x y z, D2: x y z): -2.074 -21.842 -19.152 34.169 15.88 18.529
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1546575.7328116
**BOX SIZE is now: 38.243 38.722 38.681
Center of receptor atoms is (x y z): 18.3532870945479 -1.9348502415459 6.01520910973084
Center of current box is (x y z): 16.0475 -3.481 0.188499999999999
Diagonals of current box is (D1: x y z, D2: x y z): -3.074 -22.842 -19.152 35.169 15.88 19.529
Limit diagonals to 8.3f :  -3.074  -22.842  -19.152   35.169   15.880   19.529