X- Y+ Z- X+ Y+ Z- X+ Y+ Z+ Y+ X+ Z+ Y+ X- Z+ Z+ Y- 
After creating box around spheres, box is too small (653470.025477937 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.7234960505529 23.3035650342286 3.05356556082148
Center of current box is (x y z): 27.013645 25.02994 3.656285
Diagonals of current box are (D1: x y z, D2: x y z): 12.84855 10.88583 -18.75628 41.17874 39.17405 11.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 748353.590120584
**BOX SIZE is now: 29.33019 30.28822 31.19999
Center of current box is (x y z): 26.513645 25.02994 3.156285
Diagonals of current box are (D1: x y z, D2: x y z): 11.84855 9.88583 -18.75628 41.17874 40.17405 12.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 851409.97808323
**BOX SIZE is now: 30.33019 32.28822 32.19999
Center of current box is (x y z): 26.013645 25.02994 2.656285
Diagonals of current box are (D1: x y z, D2: x y z): 10.84855 8.88583 -18.75628 41.17874 41.17405 13.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 962963.189365877
**BOX SIZE is now: 31.33019 34.28822 33.19999
Center of current box is (x y z): 25.513645 25.02994 2.156285
Diagonals of current box are (D1: x y z, D2: x y z): 9.84855 7.88583 -18.75628 41.17874 42.17405 14.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1083337.22396852
**BOX SIZE is now: 32.33019 36.28822 34.19999
Center of current box is (x y z): 25.013645 25.02994 1.656285
Diagonals of current box are (D1: x y z, D2: x y z): 8.84855 6.88583 -18.75628 41.17874 43.17405 15.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1212856.08189117
**BOX SIZE is now: 33.33019 38.28822 35.19999
Center of current box is (x y z): 24.513645 25.02994 1.156285
Diagonals of current box are (D1: x y z, D2: x y z): 7.84855 5.88583 -18.75628 41.17874 44.17405 16.44371
D1X- D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1391221.458484
**BOX SIZE is now: 35.33019 40.28822 36.19999
Center of current box is (x y z): 24.513645 25.02994 0.656285
Diagonals of current box are (D1: x y z, D2: x y z): 6.84855 4.88583 -18.75628 42.17874 45.17405 17.44371
D1X- D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1543098.54444664
**BOX SIZE is now: 36.33019 42.28822 37.19999
Center of receptor atoms is (x y z): 20.7234960505529 23.3035650342286 3.05356556082148
Center of current box is (x y z): 24.013645 25.02994 -0.156285
Diagonals of current box is (D1: x y z, D2: x y z): 5.84855 3.88583 -18.75628 42.17874 46.17405 18.44371
Limit diagonals to 8.3f :   5.849    3.886  -18.756   42.179   46.174   18.444