X+ Y+ Z- X+ Y- Z- X+ Y+ X+ Y- 
After creating box around spheres, box is too small (841581.072030204 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 21.1457138047138 28.6798168350169 19.4291090909091
Center of current box is (x y z): 19.993 30.5275 12.4615
Diagonals of current box are (D1: x y z, D2: x y z): 4.979 14.253 -3.484 35.007 46.802 28.407
D1X- D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 982666.482852204
**BOX SIZE is now: 32.028 34.549 32.891
Center of current box is (x y z): 19.993 30.5275 12.9615
Diagonals of current box are (D1: x y z, D2: x y z): 3.979 13.253 -3.484 36.007 47.802 29.407
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1106909.1060782
**BOX SIZE is now: 34.028 35.549 33.891
Center of current box is (x y z): 19.993 30.0275 13.4615
Diagonals of current box are (D1: x y z, D2: x y z): 2.979 12.253 -3.484 37.007 47.802 30.407
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1240488.7613042
**BOX SIZE is now: 36.028 36.549 34.891
Center of current box is (x y z): 19.993 29.5275 13.9615
Diagonals of current box are (D1: x y z, D2: x y z): 1.979 11.253 -3.484 38.007 47.802 31.407
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1383729.4485302
**BOX SIZE is now: 38.028 37.549 35.891
Center of current box is (x y z): 19.993 29.0275 14.4615
Diagonals of current box are (D1: x y z, D2: x y z): 0.978999999999999 10.253 -3.484 39.007 47.802 32.407
D1X- D2X+ D1Y- D2Z+ 
**Total grid points in box is now: 1536955.1677562
**BOX SIZE is now: 40.028 38.549 36.891
Center of receptor atoms is (x y z): 21.1457138047138 28.6798168350169 19.4291090909091
Center of current box is (x y z): 19.993 28.5275 14.9615
Diagonals of current box is (D1: x y z, D2: x y z): -0.0210000000000008 9.253 -3.484 40.007 47.802 33.407
Limit diagonals to 8.3f :  -0.021    9.253   -3.484   40.007   47.802   33.407