Fully symmetrical invalid patterns, but not for X

For fans of Killer Sudoku, Samurai Sudoku and other variants

Fully symmetrical invalid patterns, but not for X

Postby m_b_metcalf » Thu Feb 16, 2017 9:03 am

Code: Select all
 8 9 1 . . . 6 4 2
 6 . . . . . . . 1
 4 . . . . . . . 9
 . . . 4 . 3 . . .
 . . . . 9 . . . .
 . . . 6 . 5 . . .
 5 . . . . . . . 8
 2 . . . . . . . 4
 7 8 9 . . . 2 5 3  F2 - x-sudoku, fairly hard

 . . . 5 9 6 . . .
 . 3 . . . . . 5 .
 . . . . . . . . .
 4 . . 6 2 8 . . 7
 7 . . 9 4 3 . . 1
 3 . . 1 7 5 . . 6
 . . . . . . . . .
 . 7 . . . . . 2 .
 . . . 2 3 4 . . .  F5 - x-sudoku, quite hard
User avatar
m_b_metcalf
2017 Supporter
 
Posts: 8290
Joined: 15 May 2006
Location: Berlin

Return to Sudoku variants