Puzzles needing lots of locked candidates

Everything about Sudoku that doesn't fit in one of the other sections

# (230279) #

Postby Pat » Wed Oct 02, 2013 12:05 pm


#18

    4...9...1..6....8..3....6......635..9..1........8....4..95..8...5.....6.7....1..9

    [ play ]

      22 cells given
      (layout 214 of the Patterns Game, minus r5c5)

Code: Select all

 4 . . | . 9 . | . . 1
 . . 6 | . . . | . 8 .
 . 3 . | . . . | 6 . .
-------+-------+------
 . . . | . 6 3 | 5 . .
 9 . . | 1 . . | . . .
 . . . | 8 . . | . . 4
-------+-------+------
 . . 9 | 5 . . | 8 . .
 . 5 . | . . . | . 6 .
 7 . . | . . 1 | . . 9

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Pat
 
Posts: 4056
Joined: 18 July 2005

Pat # 217 # 19

Postby Pat » Thu Oct 03, 2013 1:00 pm


#19

    6...9...1..5....8..4....2......249..9..6........5....6..41..5...8.....9.1....6..7

    [ play ]

      22 cells given
      (layout 214, minus r5c5)
      { edit: that is now layout 217 of the Patterns Game }

Code: Select all

 6 . . | . 9 . | . . 1
 . . 5 | . . . | . 8 .
 . 4 . | . . . | 2 . .
-------+-------+------
 . . . | . 2 4 | 9 . .
 9 . . | 6 . . | . . .
 . . . | 5 . . | . . 6
-------+-------+------
 . . 4 | 1 . . | 5 . .
 . 8 . | . . . | . 9 .
 1 . . | . . 6 | . . 7


see related comments
by RW (2006.May.29)
+ Pat (2013.Oct.2)
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Pat
 
Posts: 4056
Joined: 18 July 2005

X-SuDoku # Leren # 327524

Postby Pat » Tue Mar 07, 2023 6:06 pm



    ...........................................12.3..45....5....67....2.8......1..4..

X-SuDoku # Leren # 327524


12 givens


Code: Select all

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



Code: Select all

 . . . | . . . | . . .
 . . . | . . . | . . .
 . . . | . . . | . . .
-------+-------+------
 . . . | . . . | . . .
 . . . | . . . | . 1 2
 . 3 . | . 4 5 | . . .
-------+-------+------
 . 5 . | . . . | 6 7 .
 . . . | 2 . 8 | . . .
 . . . | 1 . . | 4 . .

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Pat
 
Posts: 4056
Joined: 18 July 2005

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