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9
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9
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Sandwich sudoku(Hard) https://gridpuzzle.com/sandwich-sudoku/lm7ng

Latest score list for #lm7ng

la
lawyer a second ago
11'3''
an
anonymous 15 minutes ago
7'2''
an
anonymous 26 minutes ago
7'0''
Wo
Workers 11 minutes ago
14'34''
an
anonymous 39 minutes ago
6'5''
Sh
Shopify an hour ago
18'32''
ma
make money 46 minutes ago
7'10''
re
repair an hour ago
12'49''
an
anonymous an hour ago
10'36''
Mi
Mia an hour ago
5'48''

Latest score list for Sandwich sudoku

Ha
Hail car solved puzzle No#l9m0k;
12'46''
an
anonymous solved puzzle No#lp49v;
17'29''
Ab
Abigail solved puzzle No#l0vnw;
14'25''
At
Attorney solved puzzle No#l0mw2;
4'38''
ma
masters solved puzzle No#lrq6g;
4'12''
gu
guest solved puzzle No#3j1ve;
12'15''
Co
Conference solved puzzle No#l9xgx;
17'16''
bl
blackboard solved puzzle No#l9m0k;
5'21''
li
lightroom solved puzzle No#l0dzr;
5'40''
Ja
Jacob solved puzzle No#l9m0k;
9'29''

How to play Sandwich sudoku

Sandwich Sudoku Rules

  • Fill the numbers 1-9 into each row, column, and 3x3 subgrid of a 9x9 grid.

  • Each number can only appear once in each row, column, and 3x3 subgrid.

  • Fill in the blank cells with the numbers 1-9 so that each row, column, and 3x3 subgrid contains the numbers 1-9.

  • contains extra numbers outside the grid. These extra clues indicate the sum of digits between 1 and 9 in the corresponding row or column.

Sandwich Sudoku is a type of Sudoku puzzle that uses a non-standard grid. The grid is divided into several smaller grids, and the numbers in each smaller grid must be different. In addition, there are also numbers outside of the smaller grids that provide clues to the solution.


The outer borders of the grid contain the sum of the middle numbers in the corresponding row or column. For example, in the row with the numbers 2, 4, and 6, the outer border would contain the number 12. These numbers can be used to help solve the puzzle by providing clues to the possible values of the missing numbers.


Sandwich Sudoku puzzles can be more challenging than standard Sudoku puzzles because they require players to think more creatively and use more problem-solving skills. For example, players may need to use the clues outside of the smaller grids to help them solve the puzzle, and they may also need to use logic and deduction to narrow down the possible solutions.

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