X- Y+ Z- X+ Y+ Z- X+ Z+ X+ Z- Y- X+ Y- Y- Z- X- Y- Z- X- Z+ Z- Z+ Y- X- Y+ 
After creating box around spheres, box is too small (595428.729901148 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 18.5714519607843 4.86082058823529 6.51011470588236
Center of current box is (x y z): 21.739 4.164095 1.4148
Diagonals of current box are (D1: x y z, D2: x y z): 7.4 -8.92581 -13.27178 36.078 17.254 16.10138
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 732296.793025366
**BOX SIZE is now: 30.678 28.17981 31.37316
Center of current box is (x y z): 21.739 4.164095 1.4148
Diagonals of current box are (D1: x y z, D2: x y z): 6.4 -9.92581 -14.27178 37.078 18.254 17.10138
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 888654.745669584
**BOX SIZE is now: 32.678 30.17981 33.37316
Center of current box is (x y z): 21.739 4.164095 1.4148
Diagonals of current box are (D1: x y z, D2: x y z): 5.4 -10.92581 -15.27178 38.078 19.254 18.10138
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1032678.48588684
**BOX SIZE is now: 34.678 31.17981 35.37316
Center of current box is (x y z): 21.739 4.664095 1.4148
Diagonals of current box are (D1: x y z, D2: x y z): 4.4 -10.92581 -16.27178 39.078 20.254 19.10138
D1X- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1158530.73827081
**BOX SIZE is now: 35.678 32.17981 37.37316
Center of current box is (x y z): 21.239 5.164095 1.4148
Diagonals of current box are (D1: x y z, D2: x y z): 3.4 -10.92581 -17.27178 39.078 21.254 20.10138
D1X- D2Y+ D2Z+ 
**Total grid points in box is now: 1260871.61985292
**BOX SIZE is now: 36.678 33.17981 38.37316
Center of current box is (x y z): 20.739 5.664095 1.9148
Diagonals of current box are (D1: x y z, D2: x y z): 2.4 -10.92581 -17.27178 39.078 22.254 21.10138
D1X- D2Y+ 
**Total grid points in box is now: 1334285.64802317
**BOX SIZE is now: 37.678 34.17981 38.37316
Center of current box is (x y z): 20.239 6.164095 1.9148
Diagonals of current box are (D1: x y z, D2: x y z): 1.4 -10.92581 -17.27178 39.078 23.254 21.10138
D1X- D2Y+ 
**Total grid points in box is now: 1409771.82683342
**BOX SIZE is now: 38.678 35.17981 38.37316
Center of current box is (x y z): 19.739 6.664095 1.9148
Diagonals of current box are (D1: x y z, D2: x y z): 0.399999999999999 -10.92581 -17.27178 39.078 24.254 21.10138
D1X- D1Y- 
**Total grid points in box is now: 1487330.15628367
**BOX SIZE is now: 39.678 36.17981 38.37316
Center of current box is (x y z): 19.239 6.164095 1.9148
Diagonals of current box are (D1: x y z, D2: x y z): -0.600000000000001 -11.92581 -17.27178 39.078 24.254 21.10138
D1X- D2Y+ 
**Total grid points in box is now: 1566960.63637392
**BOX SIZE is now: 40.678 37.17981 38.37316
Center of receptor atoms is (x y z): 18.5714519607843 4.86082058823529 6.51011470588236
Center of current box is (x y z): 18.739 6.664095 1.9148
Diagonals of current box is (D1: x y z, D2: x y z): -1.6 -11.92581 -17.27178 39.078 25.254 21.10138
Limit diagonals to 8.3f :  -1.600  -11.926  -17.272   39.078   25.254   21.101