X+ Y- Z- X+ Z+ X+ Y- X+ X- X- Z+ X+ 
After creating box around spheres, box is too small (757046.13704226 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 16.8996297029703 27.4385689768977 4.67733597359734
Center of current box is (x y z): 12.93 22.7705 5.7985
Diagonals of current box are (D1: x y z, D2: x y z): -3.06 7.694 -8.74 28.92 37.847 20.337
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 916743.26281626
**BOX SIZE is now: 33.98 32.153 31.077
Center of current box is (x y z): 12.93 22.7705 5.7985
Diagonals of current box are (D1: x y z, D2: x y z): -4.06 6.694 -9.74 29.92 38.847 21.337
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1066936.42150326
**BOX SIZE is now: 34.98 34.153 33.077
Center of current box is (x y z): 13.43 22.7705 5.7985
Diagonals of current box are (D1: x y z, D2: x y z): -4.06 5.694 -10.74 30.92 39.847 22.337
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1231946.10019026
**BOX SIZE is now: 35.98 36.153 35.077
Center of current box is (x y z): 13.93 22.7705 5.7985
Diagonals of current box are (D1: x y z, D2: x y z): -4.06 4.694 -11.74 31.92 40.847 23.337
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1412420.29887726
**BOX SIZE is now: 36.98 38.153 37.077
Center of current box is (x y z): 14.43 22.7705 5.7985
Diagonals of current box are (D1: x y z, D2: x y z): -4.06 3.694 -12.74 32.92 41.847 24.337
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1609007.01756426
**BOX SIZE is now: 37.98 40.153 39.077
Center of receptor atoms is (x y z): 16.8996297029703 27.4385689768977 4.67733597359734
Center of current box is (x y z): 14.93 22.7705 5.7985
Diagonals of current box is (D1: x y z, D2: x y z): -4.06 2.694 -13.74 33.92 42.847 25.337
Limit diagonals to 8.3f :  -4.060    2.694  -13.740   33.920   42.847   25.337