X- Y+ Z+ Z- X- Z+ Z- Z- X- Y- 
After creating box around spheres, box is too small (756650.969422141 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 35.9463299089423 21.655810646743 27.9396362362829
Center of current box is (x y z): 39.50073 16.882 24.76197
Diagonals of current box are (D1: x y z, D2: x y z): 24.057 2.268 9.24094 54.94446 31.496 40.283
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 916231.847027031
**BOX SIZE is now: 32.88746 31.228 33.04206
Center of current box is (x y z): 39.50073 16.882 24.76197
Diagonals of current box are (D1: x y z, D2: x y z): 23.057 1.268 8.24094 55.94446 32.496 41.283
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1096798.74895192
**BOX SIZE is now: 34.88746 33.228 35.04206
Center of current box is (x y z): 39.50073 16.882 24.76197
Diagonals of current box are (D1: x y z, D2: x y z): 22.057 0.268000000000001 7.24094 56.94446 33.496 42.283
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1299647.67519681
**BOX SIZE is now: 36.88746 35.228 37.04206
Center of current box is (x y z): 39.50073 16.882 24.76197
Diagonals of current box are (D1: x y z, D2: x y z): 21.057 -0.731999999999999 6.24094 57.94446 34.496 43.283
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1526074.6257617
**BOX SIZE is now: 38.88746 37.228 39.04206
Center of receptor atoms is (x y z): 35.9463299089423 21.655810646743 27.9396362362829
Center of current box is (x y z): 39.50073 16.882 24.76197
Diagonals of current box is (D1: x y z, D2: x y z): 20.057 -1.732 5.24094 58.94446 35.496 44.283
Limit diagonals to 8.3f :  20.057   -1.732    5.241   58.944   35.496   44.283