This program (with sources in E) solves sudokus of any difficult avoiding
brute force techniques. It is built uppon human solving metologies.

Initial board set can be done manually or reading from a file with a 
simple and strict syntax, just a 9x9 set of numbers with 0es for the empty 
cells of the board, written at beginning of the file.

Example

009100003
020060070
800003200
500007300
070040060
002800005
001600002
040050090
600009400

asl.library and bgui.library provided because are needed for execution.

For compilation you will need E-VO compiler from Darren Coles
https://github.com/dmcoles/EVO

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[unknown]                  590    1233  47.9% -lh5- 5593 Feb  7  2023 SudokuSolverE.info
[unknown]                   50      89  56.2% -lh5- 5950 Jan  3  1980 SudokuSolverE/BOARD.TXT
[unknown]                   49      89  55.1% -lh5- be5b Jan 30  2023 SudokuSolverE/BOARD2.TXT
[unknown]                  592    1233  48.0% -lh5- ab64 Feb  7  2023 SudokuSolverE/libs.info
[unknown]                23136   40944  56.5% -lh5- d559 Sep 15  2018 SudokuSolverE/libs/asl.library
[unknown]                86675  174420  49.7% -lh5- b001 May  9  2000 SudokuSolverE/libs/bgui.library
[unknown]                  589    1233  47.8% -lh5- e74f Feb  7  2023 SudokuSolverE/source.info
[unknown]                 2459   12726  19.3% -lh5- 4060 Feb  6  2023 SudokuSolverE/source/check.e
[unknown]                   67     136  49.3% -lh5- be7c Feb  7  2023 SudokuSolverE/source/compile
[unknown]                  350     880  39.8% -lh5- 44f3 Feb  6  2023 SudokuSolverE/source/globals.e
[unknown]                 1004    4764  21.1% -lh5- 4cb3 Feb  6  2023 SudokuSolverE/source/remove.e
[unknown]                  762    3720  20.5% -lh5- 1d71 Feb  2  2023 SudokuSolverE/source/set.e
[unknown]                  595    1360  43.8% -lh5- ec58 Feb  7  2023 SudokuSolverE/source/sudoku.e
[unknown]                 2387   10378  23.0% -lh5- d9ef Feb  6  2023 SudokuSolverE/source/sudokugui.e
[unknown]                 1244    3358  37.0% -lh5- e6af Feb  6  2023 SudokuSolverE/source/utils.e
[unknown]                 9687   29332  33.0% -lh5- 30e2 Feb  7  2023 SudokuSolverE/sudoku
[unknown]                  387     771  50.2% -lh5- dd88 Feb  6  2023 SudokuSolverE/sudoku.info
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total        17 files  130623  286666  45.6%            Feb  8 02:02