public/subjects/sudoku/audit/README.md

#### Sudoku

##### Try running the program with the arguments: `".96.4...1" "1...6...4" "5.481.39." "..795..43" ".3..8...." "4.5.23.18" ".1.63..59" ".59.7.83." "..359...7"`

```
3 9 6 2 4 5 7 8 1
1 7 8 3 6 9 5 2 4
5 2 4 8 1 7 3 9 6
2 8 7 9 5 1 6 4 3
9 3 1 4 8 6 2 7 5
4 6 5 7 2 3 9 1 8
7 1 2 6 3 8 4 5 9
6 5 9 1 7 4 8 3 2
8 4 3 5 9 2 1 6 7
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"1.58.2..." ".9..764.5" "2..4..819" ".19..73.6" "762.83.9." "....61.5." "..76...3." "43..2.5.1" "6..3.89.."`

```
1 4 5 8 9 2 6 7 3
8 9 3 1 7 6 4 2 5
2 7 6 4 3 5 8 1 9
5 1 9 2 4 7 3 8 6
7 6 2 5 8 3 1 9 4
3 8 4 9 6 1 7 5 2
9 5 7 6 1 4 2 3 8
4 3 8 7 2 9 5 6 1
6 2 1 3 5 8 9 4 7
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `""..5.3..81" "9.285..6." "6....4.5." "..74.283." "34976...5" "..83..49." "15..87..2" ".9....6.." ".26.495.3""`

```
4 7 5 9 3 6 2 8 1
9 3 2 8 5 1 7 6 4
6 8 1 2 7 4 3 5 9
5 1 7 4 9 2 8 3 6
3 4 9 7 6 8 1 2 5
2 6 8 3 1 5 4 9 7
1 5 3 6 8 7 9 4 2
7 9 4 5 2 3 6 1 8
8 2 6 1 4 9 5 7 3
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"34.91..2." ".96.8..41" "..8.2..7." ".6..57.39" "1.2.6.7.." "97..3..64" "45.2.8..6" ".8..9..5." "6.3..189."`

```
3 4 7 9 1 5 6 2 8
2 9 6 7 8 3 5 4 1
5 1 8 6 2 4 9 7 3
8 6 4 1 5 7 2 3 9
1 3 2 4 6 9 7 8 5
9 7 5 8 3 2 1 6 4
4 5 9 2 7 8 3 1 6
7 8 1 3 9 6 4 5 2
6 2 3 5 4 1 8 9 7
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"..73..4.5" "....2.9.." "253.6487." ".9.74.36." "....3..8." "8362.9.47" "1..8.26.3" "6......18" ".8261...4"`

```
9 6 7 3 8 1 4 2 5
4 1 8 5 2 7 9 3 6
2 5 3 9 6 4 8 7 1
5 9 1 7 4 8 3 6 2
7 2 4 1 3 6 5 8 9
8 3 6 2 5 9 1 4 7
1 4 9 8 7 2 6 5 3
6 7 5 4 9 3 2 1 8
3 8 2 6 1 5 7 9 4
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"935..7..8" "...3.8.7." "6..5..49." ".73..4..." "4..175.8." ".618..247" ".187....." "..6.8.75." "75.4.3862"`

```
9 3 5 6 4 7 1 2 8
1 2 4 3 9 8 6 7 5
6 8 7 5 2 1 4 9 3
8 7 3 2 6 4 5 1 9
4 9 2 1 7 5 3 8 6
5 6 1 8 3 9 2 4 7
2 1 8 7 5 6 9 3 4
3 4 6 9 8 2 7 5 1
7 5 9 4 1 3 8 6 2
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"..5.2...1" ".8735..46" "4...6.5.." ".5.9....." ".7..3541." "69314.857" "7415..6.8" "...284..5" "5.....3.4"`

```
3 6 5 4 2 9 7 8 1
2 8 7 3 5 1 9 4 6
4 1 9 8 6 7 5 3 2
1 5 4 9 7 8 2 6 3
8 7 2 6 3 5 4 1 9
6 9 3 1 4 2 8 5 7
7 4 1 5 9 3 6 2 8
9 3 6 2 8 4 1 7 5
5 2 8 7 1 6 3 9 4
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"..75...3." "8..23...9" ".3479.86." "..3..4198" ".4815...3" "..6.23..7" "351.6.78." "4..31...6" ".7...5..2"`

```
9 6 7 5 4 8 2 3 1
8 1 5 2 3 6 4 7 9
2 3 4 7 9 1 8 6 5
5 2 3 6 7 4 1 9 8
7 4 8 1 5 9 6 2 3
1 9 6 8 2 3 5 4 7
3 5 1 9 6 2 7 8 4
4 8 2 3 1 7 9 5 6
6 7 9 4 8 5 3 1 2
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".27....36" "..16..9.7" ".69..72.5" "3.4.7.1.." "..69.8..." "...451.2." "1..5...7." "74.8..5.." "6......9."`

```
4 2 7 1 9 5 8 3 6
5 3 1 6 8 2 9 4 7
8 6 9 3 4 7 2 1 5
3 5 4 2 7 6 1 8 9
2 1 6 9 3 8 7 5 4
9 7 8 4 5 1 6 2 3
1 9 2 5 6 3 4 7 8
7 4 3 8 1 9 5 6 2
6 8 5 7 2 4 3 9 1
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".58..4.21" ".6.853..7" ".39.2...5" "8....1..6" "..37..21." "1.6.825.." "67.2..18." "9..4...5." ".8.9167.2"`

```
7 5 8 6 9 4 3 2 1
2 6 1 8 5 3 4 9 7
4 3 9 1 2 7 8 6 5
8 2 7 5 4 1 9 3 6
5 4 3 7 6 9 2 1 8
1 9 6 3 8 2 5 7 4
6 7 4 2 3 5 1 8 9
9 1 2 4 7 8 6 5 3
3 8 5 9 1 6 7 4 2
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".2.1....6" "53..8294." "8..34...5" "3542761.." "..6.3...4" "9....162." ".9...3.78" "7438.9..." "..5..43.1"`

```
4 2 7 1 9 5 8 3 6
5 3 1 6 8 2 9 4 7
8 6 9 3 4 7 2 1 5
3 5 4 2 7 6 1 8 9
2 1 6 9 3 8 7 5 4
9 7 8 4 5 1 6 2 3
1 9 2 5 6 3 4 7 8
7 4 3 8 1 9 5 6 2
6 8 5 7 2 4 3 9 1
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".932..8." "27.3.85.." ".8.73.254" "9758...31" "....74.6." "6.45.38.7" "7....2.48" "32.4...7." "..8.579.."`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".867.2..4" ".2.5..8.." "154.9.237" ".7.9.5..1" ".29..4.18" "51.6...42" "2.5.7..83" "...153..." "39...8.75"`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `".7....28." ".2...6.57" "8654729.." "..925..64" ".4..19.7." "7.8..4..9" "3..7..698" "..79.1..." "59..28.39"`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"..213.748" "8.4.....2" ".178.26.." ".68.9.27." ".932....4" "5..46.3.." "..9.24.23" "..63..19." "385..1.2."`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"9.46.3..1" "37.1..2.6" "..6..93.4" "..13..9.5" "56..91..." "82...461." "..79...4." "425.167.." "1.2..75.8"`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"not" "a" "sudoku"`

```
Error
```

###### Does the program returns the value above?

##### Try running the program with the arguments: `"53..8294." "8..34...5" "3542761.." "..6.3...4" "9....162." ".9...3.78" "7438.9..." "..5..43.1"`

```
Error
```

###### Does the program returns the value above?

#### Bonus

###### +Is the project using the Exact cover technique [Knuth's Algorithm X](https://en.wikipedia.org/wiki/Knuth%27s_Algorithm_X)