X- Y- Z- X- Y+ Z- Z+ Y+ Y+ Y+ Y+ Z+ Z+ X+ X- 
After creating box around spheres, box is too small (890200.45797539 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 7.50472369747898 -7.00421882352942 17.8893667226891
Center of current box is (x y z): 9.484185 7.7615 10.86325
Diagonals of current box are (D1: x y z, D2: x y z): -4.54463 -25.647 -5.562 23.513 10.124 27.2885
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1068282.20621282
**BOX SIZE is now: 30.05763 37.771 34.8505
Center of current box is (x y z): 9.484185 7.7615 10.86325
Diagonals of current box are (D1: x y z, D2: x y z): -5.54463 -26.647 -6.562 24.513 11.124 28.2885
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1268542.64653025
**BOX SIZE is now: 32.05763 39.771 36.8505
Center of current box is (x y z): 9.484185 7.7615 10.86325
Diagonals of current box are (D1: x y z, D2: x y z): -6.54463 -27.647 -7.562 25.513 12.124 29.2885
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1492277.77892768
**BOX SIZE is now: 34.05763 41.771 38.8505
Center of current box is (x y z): 9.484185 7.7615 10.86325
Diagonals of current box are (D1: x y z, D2: x y z): -7.54463 -28.647 -8.562 26.513 13.124 30.2885
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1740783.60340511
**BOX SIZE is now: 36.05763 43.771 40.8505
Center of receptor atoms is (x y z): 7.50472369747898 -7.00421882352942 17.8893667226891
Center of current box is (x y z): 9.484185 -7.7615 10.86325
Diagonals of current box is (D1: x y z, D2: x y z): -8.54463 -29.647 -9.562 27.513 14.124 31.2885
Limit diagonals to 8.3f :  -8.545  -29.647   -9.562   27.513   14.124   31.288