X+ Y+ Z- X- Y+ X- Y- Z- X- Y+ Z+ Z+ Y- Y- X- Y- X- 
After creating box around spheres, box is too small (819897.388971229 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 20.2037983651226 14.2947711171662 25.2713013623978
Center of current box is (x y z): 8.762505 5.777185 21.0705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -9.403 5.004 24.32601 20.95737 37.137
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 958124.646457779
**BOX SIZE is now: 32.12701 32.36037 34.133
Center of current box is (x y z): 9.262505 5.777185 21.0705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -10.403 4.004 25.32601 21.95737 38.137
D2X+ D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1110472.62206433
**BOX SIZE is now: 33.12701 34.36037 36.133
Center of current box is (x y z): 9.762505 5.777185 21.0705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -11.403 3.004 26.32601 22.95737 39.137
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1209870.37352194
**BOX SIZE is now: 34.12701 35.36037 37.133
Center of current box is (x y z): 10.262505 6.277185 21.5705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -11.403 3.004 27.32601 23.95737 40.137
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1315025.62549955
**BOX SIZE is now: 35.12701 36.36037 38.133
Center of current box is (x y z): 10.762505 6.777185 22.0705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -11.403 3.004 28.32601 24.95737 41.137
D2X+ D2Y+ D2Z+ 
**Total grid points in box is now: 1426100.37799716
**BOX SIZE is now: 36.12701 37.36037 39.133
Center of current box is (x y z): 11.262505 7.277185 22.5705
Diagonals of current box are (D1: x y z, D2: x y z): -6.801 -11.403 3.004 29.32601 25.95737 42.137
D2X+ D1Y- D2Y+ D2Z+ 
**Total grid points in box is now: 1583487.12490768
**BOX SIZE is now: 37.12701 39.36037 40.133
Center of receptor atoms is (x y z): 20.2037983651226 14.2947711171662 25.2713013623978
Center of current box is (x y z): 11.762505 7.277185 23.0705
Diagonals of current box is (D1: x y z, D2: x y z): -6.801 -12.403 3.004 30.32601 26.95737 43.137
Limit diagonals to 8.3f :  -6.801  -12.403    3.004   30.326   26.957   43.137