X+ Y+ Z- X+ Y+ Z- Y+ X- Y- Y- X- X- X+ Z+ X+ Y- 
After creating box around spheres, box is too small (602783.977733164 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.6907176835574 -1.23620010341261 22.7945051706308
Center of current box is (x y z): 18.839265 14.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): 4.56973 -28.263 4.10107 33.1088 -0.807969999999999 32.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 690303.056650707
**BOX SIZE is now: 30.53907 27.45503 30.49287
Center of current box is (x y z): 18.839265 13.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): 3.56973 -27.263 3.10107 34.1088 0.192030000000001 33.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 783752.42204825
**BOX SIZE is now: 32.53907 27.45503 32.49287
Center of current box is (x y z): 18.839265 12.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): 2.56973 -26.263 2.10107 35.1088 1.19203 34.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 883132.073925792
**BOX SIZE is now: 34.53907 27.45503 34.49287
Center of current box is (x y z): 18.839265 11.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): 1.56973 -25.263 1.10107 36.1088 2.19203 35.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 988442.012283335
**BOX SIZE is now: 36.53907 27.45503 36.49287
Center of current box is (x y z): 18.839265 10.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): 0.56973 -24.263 0.10107 37.1088 3.19203 36.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ D1Y+ 
**Total grid points in box is now: 1099682.23712088
**BOX SIZE is now: 38.53907 27.45503 38.49287
Center of current box is (x y z): 18.839265 9.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): -0.43027 -23.263 -0.89893 38.1088 4.19203 37.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1261174.41730706
**BOX SIZE is now: 40.53907 28.45503 40.49287
Center of current box is (x y z): 18.839265 9.035485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): -1.43027 -23.263 -1.89893 39.1088 5.19203 38.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1437564.33349323
**BOX SIZE is now: 42.53907 29.45503 42.49287
Center of current box is (x y z): 18.839265 8.535485 18.347505
Diagonals of current box are (D1: x y z, D2: x y z): -2.43027 -23.263 -2.89893 40.1088 6.19203 39.59394
D1X- D2X+ D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1629499.98567941
**BOX SIZE is now: 44.53907 30.45503 44.49287
Center of receptor atoms is (x y z): 15.6907176835574 -1.23620010341261 22.7945051706308
Center of current box is (x y z): 18.839265 -8.035485 18.347505
Diagonals of current box is (D1: x y z, D2: x y z): -3.43027 -23.263 -3.89893 41.1088 7.19203 40.59394
Limit diagonals to 8.3f :  -3.430  -23.263   -3.899   41.109    7.192   40.594