X+ Y- Z+ Y+ Z+ Y+ Z+ Y- Z- X- Z+ Z- X- Z- Y- X- 
After creating box around spheres, box is too small (653335.112072469 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.4988384955752 12.0804831858407 30.8547
Center of current box is (x y z): 22.173545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 6.793 1.972 19.303 37.55409 32.78966 44.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ D2X- 
**Total grid points in box is now: 750248.536417495
**BOX SIZE is now: 30.76109 32.81766 27.5253
Center of current box is (x y z): 21.173545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 5.793 0.972 18.303 36.55409 33.78966 45.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 881562.406336067
**BOX SIZE is now: 31.76109 34.81766 29.5253
Center of current box is (x y z): 20.673545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 4.793 -0.0280000000000005 17.303 36.55409 34.78966 46.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1026685.71137464
**BOX SIZE is now: 32.76109 36.81766 31.5253
Center of current box is (x y z): 20.173545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 3.793 -1.028 16.303 36.55409 35.78966 47.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1186266.45153321
**BOX SIZE is now: 33.76109 38.81766 33.5253
Center of current box is (x y z): 19.673545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 2.793 -2.028 15.303 36.55409 36.78966 48.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1360952.62681178
**BOX SIZE is now: 34.76109 40.81766 35.5253
Center of current box is (x y z): 19.173545 17.38083 32.06565
Diagonals of current box are (D1: x y z, D2: x y z): 1.793 -3.028 14.303 36.55409 37.78966 49.8283
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1551392.23721035
**BOX SIZE is now: 35.76109 42.81766 37.5253
Center of receptor atoms is (x y z): 15.4988384955752 12.0804831858407 30.8547
Center of current box is (x y z): 18.673545 17.38083 32.06565
Diagonals of current box is (D1: x y z, D2: x y z): 0.792999999999999 -4.028 13.303 36.55409 38.78966 50.8283
Limit diagonals to 8.3f :   0.793   -4.028   13.303   36.554   38.790   50.828