X- Y+ Z- X+ Y- Z- Z+ Y+ X+ Y- X+ 
After creating box around spheres, box is too small (799739.444814475 < 1500000), so increasing its size
Center of receptor atoms is (x y z): 15.3897419706042 12.0405209580838 30.7789515514426
Center of current box is (x y z): 23.29559 15.71416 31.331295
Diagonals of current box are (D1: x y z, D2: x y z): 6.98318 -0.13968 17.01462 39.608 31.568 45.64797
D1X- D1Y- D2Y+ D1Z- D2Z+ D2X- 
**Total grid points in box is now: 909568.148462163
**BOX SIZE is now: 32.62482 33.70768 30.63335
Center of current box is (x y z): 22.29559 15.71416 31.331295
Diagonals of current box are (D1: x y z, D2: x y z): 5.98318 -1.13968 16.01462 38.608 32.568 46.64797
D1X- D1Y- D2Y+ D1Z- D2Z+ D2X- 
**Total grid points in box is now: 1026443.81322985
**BOX SIZE is now: 32.62482 35.70768 32.63335
Center of current box is (x y z): 21.29559 15.71416 31.331295
Diagonals of current box are (D1: x y z, D2: x y z): 4.98318 -2.13968 15.01462 37.608 33.568 47.64797
D1X- D1Y- D2Y+ D1Z- D2Z+ D2X- 
**Total grid points in box is now: 1150366.43911754
**BOX SIZE is now: 32.62482 37.70768 34.63335
Center of current box is (x y z): 20.29559 15.71416 31.331295
Diagonals of current box are (D1: x y z, D2: x y z): 3.98318 -3.13968 14.01462 36.608 34.568 48.64797
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1320610.91028168
**BOX SIZE is now: 33.62482 39.70768 36.63335
Center of current box is (x y z): 19.79559 15.71416 31.331295
Diagonals of current box are (D1: x y z, D2: x y z): 2.98318 -4.13968 13.01462 36.608 35.568 49.64797
D1X- D1Y- D2Y+ D1Z- D2Z+ 
**Total grid points in box is now: 1506363.17380583
**BOX SIZE is now: 34.62482 41.70768 38.63335
Center of receptor atoms is (x y z): 15.3897419706042 12.0405209580838 30.7789515514426
Center of current box is (x y z): 19.29559 15.71416 31.331295
Diagonals of current box is (D1: x y z, D2: x y z): 1.98318 -5.13968 12.01462 36.608 36.568 50.64797
Limit diagonals to 8.3f :   1.983   -5.140   12.015   36.608   36.568   50.648