X+ Y- Z- X- Z+ X- X- Z- X+ X+ Z- X+ Z- 
After creating box around spheres, box is too small (692383.418446462 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 51.5409113379903 151.298644008597 24.827517732402
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box are (D1: x y z, D2: x y z): 38.70559 138.584 11.836 66.43901 170.89056 40.45726
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 843351.961227802
**BOX SIZE is now: 29.73342 34.30656 30.62126
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box are (D1: x y z, D2: x y z): 37.70559 137.584 10.836 67.43901 171.89056 41.45726
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1014767.33184914
**BOX SIZE is now: 31.73342 36.30656 32.62126
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box are (D1: x y z, D2: x y z): 36.70559 136.584 9.836 68.43901 172.89056 42.45726
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1207925.53031048
**BOX SIZE is now: 33.73342 38.30656 34.62126
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box are (D1: x y z, D2: x y z): 35.70559 135.584 8.836 69.43901 173.89056 43.45726
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1424122.55661182
**BOX SIZE is now: 35.73342 40.30656 36.62126
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box are (D1: x y z, D2: x y z): 34.70559 134.584 7.836 70.43901 174.89056 44.45726
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1664654.41075316
**BOX SIZE is now: 37.73342 42.30656 38.62126
Center of receptor atoms is (x y z): 51.5409113379903 151.298644008597 24.827517732402
Center of current box is (x y z): 52.5723 154.73728 26.14663
Diagonals of current box is (D1: x y z, D2: x y z): 33.70559 133.584 6.836 71.43901 175.89056 45.45726
Limit diagonals to 8.3f :  33.706  133.584    6.836   71.439  175.891   45.457