X+ Y- Z+ X+ X+ Z- X+ X- Y- Z+ X+ Y+ 
After creating box around spheres, box is too small (639404.506537245 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 19.6546082659479 15.4699559748428 26.5471334231806
Center of current box is (x y z): 20.7675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): 4.211 -4.19096 18.43563 37.324 23.389 44.36666
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 783278.551286801
**BOX SIZE is now: 35.113 29.57996 27.93103
Center of current box is (x y z): 20.7675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): 3.211 -5.19096 17.43563 38.324 24.389 45.36666
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 947159.377876356
**BOX SIZE is now: 37.113 31.57996 29.93103
Center of current box is (x y z): 20.7675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): 2.211 -6.19096 16.43563 39.324 25.389 46.36666
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1103392.43313162
**BOX SIZE is now: 38.113 33.57996 31.93103
Center of current box is (x y z): 20.2675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): 1.211 -7.19096 15.43563 39.324 26.389 47.36666
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1274933.08330689
**BOX SIZE is now: 39.113 35.57996 33.93103
Center of current box is (x y z): 19.7675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): 0.211 -8.19096 14.43563 39.324 27.389 48.36666
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1462429.32840216
**BOX SIZE is now: 40.113 37.57996 35.93103
Center of current box is (x y z): 19.2675 9.59902 31.401145
Diagonals of current box are (D1: x y z, D2: x y z): -0.789 -9.19096 13.43563 39.324 28.389 49.36666
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1666529.16841743
**BOX SIZE is now: 41.113 39.57996 37.93103
Center of receptor atoms is (x y z): 19.6546082659479 15.4699559748428 26.5471334231806
Center of current box is (x y z): 18.7675 9.59902 31.401145
Diagonals of current box is (D1: x y z, D2: x y z): -1.789 -10.19096 12.43563 39.324 29.389 50.36666
Limit diagonals to 8.3f :  -1.789  -10.191   12.436   39.324   29.389   50.367