The New Sudoku Players' Forum

[m_b_metcalf]

Introducing the alphabet, letter by letter, as a series of X-sudokus. If there's sufficient interest, I'll post a letter every day or two

Have fun,

Mike

Code: Select all

 . . . . 6 . . . .
 . . . 5 . 1 . . .
 . . 9 . . . 1 . .
 . 1 . . . . . 3 .
 . 4 . . . . . 9 .
 . 9 5 4 1 8 6 2 .
 . 2 . . . . . 8 .
 . 8 . . . . . 6 .
 . 5 . . . . . 1 .   hard

 . . . . 1 . . . .
 . . . 2 . 3 . . .
 . . 2 . . . 4 . .
 . 2 . . . . . 5 .
 . 6 . . . . . 7 .
 . 4 5 3 7 8 2 9 .
 . 9 . . . . . 2 .
 . 5 . . . . . 4 .
 . 3 . . . . . 6 .   moderate

[Leren]

My SudokuX solver is only partially developed, but is enough to get through the hard puzzle. Here is a move towards the end that shows the apparently bizarre look of some moves that use diagonal logic.

Code: Select all

*----------------------------------------------*
| 1    7  4   | 8    6    9      | 23   5  3-2 |
| 28   3  28  | 5    4    1      | 9    7  6   |
| 5    6  9   | 237  237  237    | 1    4  8   |
|-------------+------------------+-------------|
| 2678 1  278 | 7-2  9   a26     | 45   3  45  |
| 267  4  267 | 2367 5    2367   | 8    9  1   |
| 3    9  5   | 4    1    8      | 6    2  7   |
|-------------+------------------+-------------|
|c467  2 b36  | 1    37   5      |d47   8  9   |
| 47   8  1   | 9    237  2347   | 2357 6  235 |
| 9    5  37  | 367  8    3467-2 | 237  1 e24  |
*----------------------------------------------*

(2=6) r4c6 - r7c3 = (6-4) r7c1 = r7c7 - (4=2) r9c9 => - 2 r1c9, r4c4, r9c6; stte

Leren