X- Y+ Z- Z+ X- Z+ X+ Y- Y+ X- Y- Z+ X- X- Z- Z- 
After creating box around spheres, box is too small (631753.802922094 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 72.9651214152701 30.3740134078212 86.8529381750464
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box are (D1: x y z, D2: x y z): 62.83363 11.60711 76.83 88.2139 42.319 106.84797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 774285.134134471
**BOX SIZE is now: 27.38027 32.71189 32.01797
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box are (D1: x y z, D2: x y z): 61.83363 10.60711 75.83 89.2139 43.319 107.84797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 936712.253426847
**BOX SIZE is now: 29.38027 34.71189 34.01797
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box are (D1: x y z, D2: x y z): 60.83363 9.60711 74.83 90.2139 44.319 108.84797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1120331.16079922
**BOX SIZE is now: 31.38027 36.71189 36.01797
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box are (D1: x y z, D2: x y z): 59.83363 8.60711 73.83 91.2139 45.319 109.84797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1326437.8562516
**BOX SIZE is now: 33.38027 38.71189 38.01797
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box are (D1: x y z, D2: x y z): 58.83363 7.60711 72.83 92.2139 46.319 110.84797
D1X- D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1556328.33978398
**BOX SIZE is now: 35.38027 40.71189 40.01797
Center of receptor atoms is (x y z): 72.9651214152701 30.3740134078212 86.8529381750464
Center of current box is (x y z): 75.523765 26.963055 91.838985
Diagonals of current box is (D1: x y z, D2: x y z): 57.83363 6.60711 71.83 93.2139 47.319 111.84797
Limit diagonals to 8.3f :  57.834    6.607   71.830   93.214   47.319  111.848