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Sandwich sudoku(Hard) https://gridpuzzle.com/sandwich-sudoku/37zem

Latest score list for #37zem

Ol
Oliver een seconde geleden
14'51''
Co
Conference 19 minuten geleden
6'31''
fa
farmstand 24 minuten geleden
17'42''
pe
petrol 16 minuten geleden
9'24''
an
anonymous 14 minuten geleden
12'58''
ou
outsource een uur geleden
7'54''
an
anonymous een uur geleden
11'19''
Sh
Shopify een uur geleden
19'18''
gu
guest een uur geleden
18'3''
Re
Rehab 2 uur geleden
7'10''

Latest score list for Sandwich sudoku

gu
guest solved puzzle No#lxn61;
10'18''
an
anonymous solved puzzle No#ody92;
6'28''
Au
Automotive solved puzzle No#l2dgy;
16'41''
so
software solved puzzle No#l58d9;
3'56''
gu
guest solved puzzle No#3jv4y;
7'41''
gu
guest solved puzzle No#ody92;
10'12''
Fi
Fitness solved puzzle No#lme2w;
10'53''
So
Sophia solved puzzle No#lqkv9;
8'19''
gu
guest solved puzzle No#l0ezw;
11'48''
an
anonymous solved puzzle No#l58d9;
7'59''

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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