X- Y+ Z+ Z+ X+ Y- Z+ X+ Z+ Z- X+ Z- Z+ 
After creating box around spheres, box is too small (653209.700541239 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.5001684362934 15.7005815637066 0.753207528957528
Center of current box is (x y z): 19.81469 19.17452 0.174110000000001
Diagonals of current box are (D1: x y z, D2: x y z): 5.35538 5.273 -15.219 34.274 33.07604 14.87078
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 798382.798300178
**BOX SIZE is now: 30.91862 29.80304 32.08978
Center of current box is (x y z): 19.81469 19.17452 0.174110000000001
Diagonals of current box are (D1: x y z, D2: x y z): 4.35538 4.273 -16.219 35.274 34.07604 15.87078
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 963603.167099116
**BOX SIZE is now: 32.91862 31.80304 34.08978
Center of current box is (x y z): 19.81469 19.17452 0.174110000000001
Diagonals of current box are (D1: x y z, D2: x y z): 3.35538 3.273 -17.219 36.274 35.07604 16.87078
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1150166.80693805
**BOX SIZE is now: 34.91862 33.80304 36.08978
Center of current box is (x y z): 19.81469 19.17452 0.174110000000001
Diagonals of current box are (D1: x y z, D2: x y z): 2.35538 2.273 -18.219 37.274 36.07604 17.87078
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1359369.71781699
**BOX SIZE is now: 36.91862 35.80304 38.08978
Center of current box is (x y z): 19.81469 19.17452 0.174110000000001
Diagonals of current box are (D1: x y z, D2: x y z): 1.35538 1.273 -19.219 38.274 37.07604 18.87078
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1592507.89973593
**BOX SIZE is now: 38.91862 37.80304 40.08978
Center of receptor atoms is (x y z): 15.5001684362934 15.7005815637066 0.753207528957528
Center of current box is (x y z): 19.81469 19.17452 -0.174110000000001
Diagonals of current box is (D1: x y z, D2: x y z): 0.35538 0.273 -20.219 39.274 38.07604 19.87078
Limit diagonals to 8.3f :   0.355    0.273  -20.219   39.274   38.076   19.871