X- Y+ Z- X+ Y+ Z- X- Z+ Y+ X- X- X+ Z- 
After creating box around spheres, box is too small (683501.930977336 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 41.10296 -26.735433542601 -8.11900340807175
Center of current box is (x y z): 30.225545 23.095405 15.70874
Diagonals of current box are (D1: x y z, D2: x y z): 14.63509 -37.09197 -30.21 45.816 -9.09884 -1.20748
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 833049.566926707
**BOX SIZE is now: 33.18091 29.99313 31.00252
Center of current box is (x y z): 30.225545 23.095405 15.70874
Diagonals of current box are (D1: x y z, D2: x y z): 13.63509 -38.09197 -31.21 46.816 -8.09884 -0.20748
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1002939.33983608
**BOX SIZE is now: 35.18091 31.99313 33.00252
Center of current box is (x y z): 30.225545 23.095405 15.70874
Diagonals of current box are (D1: x y z, D2: x y z): 12.63509 -39.09197 -32.21 47.816 -7.09884 0.79252
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1194467.24970545
**BOX SIZE is now: 37.18091 33.99313 35.00252
Center of current box is (x y z): 30.225545 23.095405 15.70874
Diagonals of current box are (D1: x y z, D2: x y z): 11.63509 -40.09197 -33.21 48.816 -6.09884 1.79252
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1408929.29653482
**BOX SIZE is now: 39.18091 35.99313 37.00252
Center of current box is (x y z): 30.225545 23.095405 15.70874
Diagonals of current box are (D1: x y z, D2: x y z): 10.63509 -41.09197 -34.21 49.816 -5.09884 2.79252
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1647621.48032419
**BOX SIZE is now: 41.18091 37.99313 39.00252
Center of receptor atoms is (x y z): 41.10296 -26.735433542601 -8.11900340807175
Center of current box is (x y z): 30.225545 -23.095405 -15.70874
Diagonals of current box is (D1: x y z, D2: x y z): 9.63509 -42.09197 -35.21 50.816 -4.09884 3.79252
Limit diagonals to 8.3f :   9.635  -42.092  -35.210   50.816   -4.099    3.793