X-samurai (extreme)

For fans of Killer Sudoku, Samurai Sudoku and other variants

X-samurai (extreme)

Postby m_b_metcalf » Fri Jun 01, 2018 5:53 pm

Code: Select all
 . . . . . 8 . 2 .       . . . . 5 9 6 . .
 8 . . 3 . 5 . . .       . . . . 4 . 8 . .
 . . . 9 . . . . .       8 . . . . . . . .
 4 . . . 3 . . 8 5       . . 6 . . . . 8 .
 . . . . . . 7 . .       . 7 5 . . 2 4 . .
 . . . . . . . . 3       . . 8 . . . . . .
 9 4 . . . . . . . . . 4 . . . . . . . 5 6
 . . . . . 7 . . . . . 8 . . . . . 6 . . .
 . . . . . . . . . . . 3 . . . . 9 . . 1 .
             2 . . . . . . . .
             . . . . . . . . .
             . . 3 . . . . . .
 . . 1 . . . . . . . . 7 . . . . . . . . .
 7 . . . 6 . . . . . . 5 . . . . 8 . 5 . .
 6 . . . . . . . . . . 2 . . . 5 2 . . . .
 . . . . . . . . .       6 . . . . . . . .
 . . . 2 . . 4 7 5       . . . . . 3 . 9 .
 . . . . 4 . . 9 .       4 . . . . . . . 6
 . . . . . . . . .       . 6 . . . 8 . 7 .
 . . . . . 3 8 . 2       . . . . . 7 . . 9
 . 2 . 8 . . . 5 .       . . . . 9 2 . . .    X-samurai, 73 clues, extremely hard (SE > 10?), minimal.

[Edit: I subsequently discovered that the puzzle as published is not minimal. The clue at r4c1, a 4, can be deleted. Sorry.]

Probably only of any use for solver testing.

Code: Select all
.....8.2.8..3.5......9.....4...3..85......7..........394............7............  TL
....596......4.8..8..........6....8..75..24....8.............56.....6.......9..1.  TR
.....4........8........3...2...................3...........7........5........2...  M
..1......7...6....6....................2..475....4..9...............38.2.2.8...5.  BL
.............8.5.....52....6.............3.9.4.......6.6...8.7......7..9....92...  BR
Attachments
butterfly.doc
(67.5 KiB) Downloaded 234 times
Last edited by m_b_metcalf on Sat Nov 24, 2018 1:47 pm, edited 2 times in total.
User avatar
m_b_metcalf
2017 Supporter
 
Posts: 13626
Joined: 15 May 2006
Location: Berlin

Re: X-samurai (extreme)

Postby enxio27 » Sat Jun 02, 2018 1:15 am

Yikes! Way out of my league! :o
User avatar
enxio27
 
Posts: 532
Joined: 13 November 2007


Return to Sudoku variants

cron