X+ Y+ Z+ Y+ Z+ X- Z+ X- Y+ Y+ Y- Y+ 
After creating box around spheres, box is too small (713946.366031684 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 21.8277412541254 1.98864884488449 13.6528
Center of current box is (x y z): 20.5045 3.250895 18.767
Diagonals of current box are (D1: x y z, D2: x y z): 4.559 -16.59417 3.232 36.45 10.09238 34.302
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 868081.824637384
**BOX SIZE is now: 33.891 28.68655 33.07
Center of current box is (x y z): 20.5045 3.250895 18.767
Diagonals of current box are (D1: x y z, D2: x y z): 3.559 -17.59417 2.232 37.45 11.09238 35.302
D1X- D2X+ D1Y- D2Y+ D1Z- 
**Total grid points in box is now: 1013140.13795973
**BOX SIZE is now: 35.891 30.68655 34.07
Center of current box is (x y z): 20.5045 3.250895 18.267
Diagonals of current box are (D1: x y z, D2: x y z): 2.559 -18.59417 1.232 38.45 12.09238 35.302
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1136869.33769208
**BOX SIZE is now: 37.891 31.68655 35.07
Center of current box is (x y z): 20.5045 2.750895 17.767
Diagonals of current box are (D1: x y z, D2: x y z): 1.559 -18.59417 0.231999999999999 39.45 13.09238 35.302
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1269854.35882443
**BOX SIZE is now: 39.891 32.68655 36.07
Center of current box is (x y z): 20.5045 2.250895 17.267
Diagonals of current box are (D1: x y z, D2: x y z): 0.558999999999999 -18.59417 -0.768000000000001 40.45 14.09238 35.302
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1412419.20135678
**BOX SIZE is now: 41.891 33.68655 37.07
Center of current box is (x y z): 20.5045 1.750895 16.767
Diagonals of current box are (D1: x y z, D2: x y z): -0.441000000000001 -18.59417 -1.768 41.45 15.09238 35.302
D1X- D2X+ D2Y+ D1Z- 
**Total grid points in box is now: 1564887.86528913
**BOX SIZE is now: 43.891 34.68655 38.07
Center of receptor atoms is (x y z): 21.8277412541254 1.98864884488449 13.6528
Center of current box is (x y z): 20.5045 -1.250895 16.267
Diagonals of current box is (D1: x y z, D2: x y z): -1.441 -18.59417 -2.768 42.45 16.09238 35.302
Limit diagonals to 8.3f :  -1.441  -18.594   -2.768   42.450   16.092   35.302