X- Y+ Z- Y+ Z+ X+ Y+ Z- Y+ X- Y+ Z- Z- Z- 
After creating box around spheres, box is too small (881063.07039432 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.2179209870953 -72.9110400724475 5.36057754131763
Center of current box is (x y z): 18.3855 73.908 3.236
Diagonals of current box are (D1: x y z, D2: x y z): 2.133 -90.075 -12.288 34.638 -57.741 18.76
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1057098.31526232
**BOX SIZE is now: 34.505 34.334 33.048
Center of current box is (x y z): 18.3855 73.908 3.236
Diagonals of current box are (D1: x y z, D2: x y z): 1.133 -91.075 -13.288 35.638 -56.741 19.76
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1255141.15213032
**BOX SIZE is now: 36.505 36.334 35.048
Center of current box is (x y z): 18.3855 73.908 3.236
Diagonals of current box are (D1: x y z, D2: x y z): 0.132999999999999 -92.075 -14.288 36.638 -55.741 20.76
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1476487.58099832
**BOX SIZE is now: 38.505 38.334 37.048
Center of current box is (x y z): 18.3855 73.908 3.236
Diagonals of current box are (D1: x y z, D2: x y z): -0.867000000000001 -93.075 -15.288 37.638 -54.741 21.76
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1722433.60186632
**BOX SIZE is now: 40.505 40.334 39.048
Center of receptor atoms is (x y z): 15.2179209870953 -72.9110400724475 5.36057754131763
Center of current box is (x y z): 18.3855 -73.908 3.236
Diagonals of current box is (D1: x y z, D2: x y z): -1.867 -94.075 -16.288 38.638 -53.741 22.76
Limit diagonals to 8.3f :  -1.867  -94.075  -16.288   38.638  -53.741   22.760