X+ Y+ Z+ X- Y- X+ Z+ Y- X- Y- Z+ X- Y- Y- X+ Y- X+ Y- Y- 
After creating box around spheres, box is too small (822986.396172342 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 32.8289462753951 20.8430902934537 -3.35685011286681
Center of current box is (x y z): 24.577395 18.00382 4.3955
Diagonals of current box are (D1: x y z, D2: x y z): 10.94779 1.74964 -21.594 38.207 34.258 12.803
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 992238.944865764
**BOX SIZE is now: 29.25921 34.50836 36.397
Center of current box is (x y z): 24.577395 18.00382 4.3955
Diagonals of current box are (D1: x y z, D2: x y z): 9.94779 0.749639999999999 -22.594 39.207 35.258 13.803
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1183127.04067919
**BOX SIZE is now: 31.25921 36.50836 38.397
Center of current box is (x y z): 24.577395 18.00382 4.3955
Diagonals of current box are (D1: x y z, D2: x y z): 8.94779 -0.250360000000001 -23.594 40.207 36.258 14.803
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1396946.68361261
**BOX SIZE is now: 33.25921 38.50836 40.397
Center of current box is (x y z): 24.577395 18.00382 4.3955
Diagonals of current box are (D1: x y z, D2: x y z): 7.94779 -1.25036 -24.594 41.207 37.258 15.803
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1634993.87366603
**BOX SIZE is now: 35.25921 40.50836 42.397
Center of receptor atoms is (x y z): 32.8289462753951 20.8430902934537 -3.35685011286681
Center of current box is (x y z): 24.577395 18.00382 -4.3955
Diagonals of current box is (D1: x y z, D2: x y z): 6.94779 -2.25036 -25.594 42.207 38.258 16.803
Limit diagonals to 8.3f :   6.948   -2.250  -25.594   42.207   38.258   16.803