X+ Y+ Z- Y+ Z- Y- X+ Y- Y- Y+ Z- Y+ X- Z+ X- X+ X- 
After creating box around spheres, box is too small (623390.387217661 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 51.2298013598834 19.0833793103448 29.871789218067
Center of current box is (x y z): 53.257315 21.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 38.868 6.458 9.102 67.64663 35.984 36.274
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 739441.045243621
**BOX SIZE is now: 29.77863 31.526 29.172
Center of current box is (x y z): 52.757315 21.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 37.868 5.458 8.102 67.64663 36.984 37.274
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 868479.271349581
**BOX SIZE is now: 30.77863 33.526 31.172
Center of current box is (x y z): 52.257315 21.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 36.868 4.458 7.102 67.64663 37.984 38.274
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1011153.06553554
**BOX SIZE is now: 31.77863 35.526 33.172
Center of current box is (x y z): 51.757315 21.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 35.868 3.458 6.102 67.64663 38.984 39.274
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1168110.4278015
**BOX SIZE is now: 32.77863 37.526 35.172
Center of current box is (x y z): 51.257315 21.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 34.868 2.458 5.102 67.64663 39.984 40.274
D1X- D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1306097.63881974
**BOX SIZE is now: 33.77863 38.526 37.172
Center of current box is (x y z): 50.757315 20.721 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 33.868 1.458 4.102 67.64663 39.984 41.274
D1X- D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1453901.03787798
**BOX SIZE is now: 34.77863 39.526 39.172
Center of current box is (x y z): 50.257315 20.221 22.688
Diagonals of current box are (D1: x y z, D2: x y z): 32.868 0.457999999999998 3.102 67.64663 39.984 42.274
D1X- D1Y- D1Z- D2Z+ 
**Total grid points in box is now: 1611844.62497622
**BOX SIZE is now: 35.77863 40.526 41.172
Center of receptor atoms is (x y z): 51.2298013598834 19.0833793103448 29.871789218067
Center of current box is (x y z): 49.757315 19.721 22.688
Diagonals of current box is (D1: x y z, D2: x y z): 31.868 -0.542000000000002 2.102 67.64663 39.984 43.274
Limit diagonals to 8.3f :  31.868   -0.542    2.102   67.647   39.984   43.274