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9
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123
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Sandwich sudoku(Hard) https://gridpuzzle.com/sandwich-sudoku/l2j9y

Latest score list for #l2j9y

Ja
Jacob 剛剛
17'39''
an
anonymous 14分鐘前
17'29''
gu
guest 30分鐘前
10'33''
da
damage 14分鐘前
14'44''
gu
guest 32分鐘前
10'37''
gu
guest 31分鐘前
17'7''
mo
mortgage 一小時前
12'30''
gu
guest 一小時前
19'36''
Ma
Mason 一小時前
5'26''
Do
Donate 一小時前
11'11''

Latest score list for Sandwich sudoku

La
Lawsuit solved puzzle No#je9wy;
17'25''
mo
motivation solved puzzle No#rer1g;
6'56''
yo
youtube solved puzzle No#9we0w;
15'53''
gu
guest solved puzzle No#4nd2e;
7'3''
Fi
Fitness solved puzzle No#je9wy;
13'2''
an
anonymous solved puzzle No#rer1g;
13'22''
Ga
Gas solved puzzle No#eqrnn;
4'28''
gu
guest solved puzzle No#9weq0;
10'41''
Ol
Oliver solved puzzle No#yqvxn;
11'36''
mo
motivation solved puzzle No#565p9;
3'27''

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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