X+ Y- Z+ Y- X+ Y+ X+ Z- Z- Z- X+ Z- X+ 
After creating box around spheres, box is too small (630355.197573395 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 48.7750139416983 7.7887208491762 26.3338165399239
Center of current box is (x y z): 42.263895 1.05574 29.661685
Diagonals of current box are (D1: x y z, D2: x y z): 29.408 -15.21328 13.6277 55.11979 13.1018 45.69567
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 725315.506078032
**BOX SIZE is now: 27.71179 29.31508 33.06797
Center of current box is (x y z): 42.263895 0.55574 29.161685
Diagonals of current box are (D1: x y z, D2: x y z): 28.408 -15.21328 12.6277 56.11979 14.1018 45.69567
D1X- D2X+ D1Y- D2Y+ D1Z- 
**Total grid points in box is now: 855839.570642559
**BOX SIZE is now: 29.71179 31.31508 34.06797
Center of current box is (x y z): 42.263895 0.55574 28.661685
Diagonals of current box are (D1: x y z, D2: x y z): 27.408 -16.21328 11.6277 57.11979 15.1018 45.69567
D1X- D2X+ D1Y- D2Y+ D1Z- 
**Total grid points in box is now: 1000313.21868709
**BOX SIZE is now: 31.71179 33.31508 35.06797
Center of current box is (x y z): 42.263895 0.55574 28.161685
Diagonals of current box are (D1: x y z, D2: x y z): 26.408 -17.21328 10.6277 58.11979 16.1018 45.69567
D1X- D2X+ D1Y- D2Y+ D1Z- 
**Total grid points in box is now: 1159384.45021161
**BOX SIZE is now: 33.71179 35.31508 36.06797
Center of current box is (x y z): 42.263895 0.55574 27.661685
Diagonals of current box are (D1: x y z, D2: x y z): 25.408 -18.21328 9.6277 59.11979 17.1018 45.69567
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1297959.64908625
**BOX SIZE is now: 35.71179 36.31508 37.06797
Center of current box is (x y z): 42.263895 0.0557400000000001 27.161685
Diagonals of current box are (D1: x y z, D2: x y z): 24.408 -18.21328 8.6277 60.11979 18.1018 45.69567
D1X- D2X+ D1Y- D2Y+ D1Z- 
**Total grid points in box is now: 1485150.15886078
**BOX SIZE is now: 37.71179 38.31508 38.06797
Center of current box is (x y z): 42.263895 0.0557400000000001 26.661685
Diagonals of current box are (D1: x y z, D2: x y z): 23.408 -19.21328 7.6277 61.11979 19.1018 45.69567
D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1605413.92868375
**BOX SIZE is now: 38.71179 39.31508 39.06797
Center of receptor atoms is (x y z): 48.7750139416983 7.7887208491762 26.3338165399239
Center of current box is (x y z): 42.763895 0.44426 26.161685
Diagonals of current box is (D1: x y z, D2: x y z): 23.408 -19.21328 6.6277 62.11979 20.1018 45.69567
Limit diagonals to 8.3f :  23.408  -19.213    6.628   62.120   20.102   45.696