X- Y- Z+ X+ Y+ Z- Z+ Z- X+ Y+ Y+ Z- 
After creating box around spheres, box is too small (711973.372070519 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.8193275193799 43.9916334786823 66.3406489825582
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box are (D1: x y z, D2: x y z): -2.59281 26.16379 53.458 28.963 57.341 80.261
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 865783.045738624
**BOX SIZE is now: 33.55581 33.17721 28.803
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box are (D1: x y z, D2: x y z): -3.59281 25.16379 52.458 29.963 58.341 81.261
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1040228.49972673
**BOX SIZE is now: 35.55581 35.17721 30.803
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box are (D1: x y z, D2: x y z): -4.59281 24.16379 51.458 30.963 59.341 82.261
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1236605.73403483
**BOX SIZE is now: 37.55581 37.17721 32.803
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box are (D1: x y z, D2: x y z): -5.59281 23.16379 50.458 31.963 60.341 83.261
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1456210.74866294
**BOX SIZE is now: 39.55581 39.17721 34.803
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box are (D1: x y z, D2: x y z): -6.59281 22.16379 49.458 32.963 61.341 84.261
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1700339.54361105
**BOX SIZE is now: 41.55581 41.17721 36.803
Center of receptor atoms is (x y z): 15.8193275193799 43.9916334786823 66.3406489825582
Center of current box is (x y z): 13.185095 41.752395 66.8595
Diagonals of current box is (D1: x y z, D2: x y z): -7.59281 21.16379 48.458 33.963 62.341 85.261
Limit diagonals to 8.3f :  -7.593   21.164   48.458   33.963   62.341   85.261