X+ Y- Z+ X- Y- Z- Y+ Y- Z- X+ Z+ X- X+ Y- 
After creating box around spheres, box is too small (607885.824266647 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.729351758794 -1.33910753768844 22.9457246231156
Center of current box is (x y z): 18.55218 14.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): 4.51036 -28.245 4.73264 32.594 -0.74441 33.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 695852.087452349
**BOX SIZE is now: 30.08364 27.50059 31.15163
Center of current box is (x y z): 18.55218 13.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): 3.51036 -27.245 3.73264 33.594 0.25559 34.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 789758.478078051
**BOX SIZE is now: 32.08364 27.50059 33.15163
Center of current box is (x y z): 18.55218 12.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): 2.51036 -26.245 2.73264 34.594 1.25559 35.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 889604.996143753
**BOX SIZE is now: 34.08364 27.50059 35.15163
Center of current box is (x y z): 18.55218 11.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): 1.51036 -25.245 1.73264 35.594 2.25559 36.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 995391.641649456
**BOX SIZE is now: 36.08364 27.50059 37.15163
Center of current box is (x y z): 18.55218 10.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): 0.51036 -24.245 0.73264 36.594 3.25559 37.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 1107118.41459516
**BOX SIZE is now: 38.08364 27.50059 39.15163
Center of current box is (x y z): 18.55218 9.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): -0.48964 -23.245 -0.26736 37.594 4.25559 38.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1269322.00728386
**BOX SIZE is now: 40.08364 28.50059 41.15163
Center of current box is (x y z): 18.55218 8.994705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): -1.48964 -23.245 -1.26736 38.594 5.25559 39.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1446455.13657255
**BOX SIZE is now: 42.08364 29.50059 43.15163
Center of current box is (x y z): 18.55218 8.494705 19.308455
Diagonals of current box are (D1: x y z, D2: x y z): -2.48964 -23.245 -2.26736 39.594 6.25559 40.88427
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1639165.80246125
**BOX SIZE is now: 44.08364 30.50059 45.15163
Center of receptor atoms is (x y z): 15.729351758794 -1.33910753768844 22.9457246231156
Center of current box is (x y z): 18.55218 -7.994705 19.308455
Diagonals of current box is (D1: x y z, D2: x y z): -3.48964 -23.245 -3.26736 40.594 7.25559 41.88427
Limit diagonals to 8.3f :  -3.490  -23.245   -3.267   40.594    7.256   41.884