The New Sudoku Players' Forum

[m_b_metcalf]

Can't wait for the X pattern. That may be interesting one way or another.

Well, X was, of course a problem. A thin, sans serif X does not exist, so I opted for a thick X that at least has no clues on either diagonal. But it has lots of clues and so it's difficult to find a really hard one. So:

Code: Select all

 . 1 . . . . . 2 .
 3 . 2 . . . 4 . 5
 . 6 . 2 . 7 . 1 .
 . . 7 . 2 . 5 . .
 . . . 7 . 8 . . .
 . . 6 . 5 . 7 . .
 . 4 . 5 . 1 . 6 .
 6 . 3 . . . 1 . 7
 . 7 . . . . . 5 .   For pat

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

 . 1 . . . . . 2 .
 3 . 2 . . . 1 . 4
 . 5 . 2 . 6 . 7 .
 . . 6 . 8 . 4 . .
 . . . 6 . 9 . . .
 . . 5 . 4 . 6 . .
 . 2 . 7 . 4 . 5 .
 5 . 3 . . . 7 . 6
 . 6 . . . . . 4 .   very hard

[Hajime]

Code: Select all

.3.....6.7.8...1.5.5.7.4.3...4.7.5.....6.9.....5.4.6...8.4.7.5.5.3...4.6.4.....1.   ED=8.9/1.2/1.2 very hard
.1.....2.3.2...1.4.5.2.3.7...7.8.4.....6.9.....5.7.6...2.7.6.5.5.3...7.6.6.....4.   ED=4.0/1.2/1.2 for Pat
.1.....2.2.8...1.5.5.1.8.3...5.1.6.....6.9.....2.7.5...6.4.7.5.5.3...4.7.4.....6.   ED=1.2/1.2/1.2 very easy