X- Y- Z- X- Y+ Z- Z+ Y+ X- Y+ Y+ X- X- 
After creating box around spheres, box is too small (831816.045269604 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 19.9947205720572 14.0451287128713 25.0911688668867
Center of current box is (x y z): 8.3285 5.00609 21.368005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -10.243 5.38701 24.131 20.25518 37.349
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 971628.260936316
**BOX SIZE is now: 32.605 32.49818 33.96199
Center of current box is (x y z): 8.8285 5.00609 21.368005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -11.243 4.38701 25.131 21.25518 38.349
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1062637.21161608
**BOX SIZE is now: 33.605 33.49818 34.96199
Center of current box is (x y z): 9.3285 5.50609 21.868005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -11.243 4.38701 26.131 22.25518 39.349
D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1192758.22740249
**BOX SIZE is now: 34.605 35.49818 35.96199
Center of current box is (x y z): 9.8285 5.50609 22.368005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -12.243 4.38701 27.131 23.25518 40.349
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1296884.52517225
**BOX SIZE is now: 35.605 36.49818 36.96199
Center of current box is (x y z): 10.3285 6.00609 22.868005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -12.243 4.38701 28.131 24.25518 41.349
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1406900.34212201
**BOX SIZE is now: 36.605 37.49818 37.96199
Center of current box is (x y z): 10.8285 6.50609 23.368005
Diagonals of current box are (D1: x y z, D2: x y z): -7.474 -12.243 4.38701 29.131 25.25518 42.349
D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1562527.15036842
**BOX SIZE is now: 37.605 39.49818 38.96199
Center of receptor atoms is (x y z): 19.9947205720572 14.0451287128713 25.0911688668867
Center of current box is (x y z): 11.3285 6.50609 23.868005
Diagonals of current box is (D1: x y z, D2: x y z): -7.474 -13.243 4.38701 30.131 26.25518 43.349
Limit diagonals to 8.3f :  -7.474  -13.243    4.387   30.131   26.255   43.349