Solution to Killer Sudoku no 9

Killer Sudoku no 9

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

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Solution to Killer Sudoku no 8

Killer Sudoku no 8

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

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Solution to Killer Sudoku no 7

Killer Sudoku Puzzle no 7

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

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Solution to Killer Sudoku no 5

Killer Sudoku no 5

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

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Solution to Killer Sudoku no 4

Here is my original version of the answer:

...and here is another from Shoshi Dembinsky, a member of the Daily Killer Sudoku group on Facebook:

Killer Sudoku no 4

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

Killer sudoku solver

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Solution to Killer Sudoku no 3

Killer Sudoku no 3

There is a channel on YouTube called Cracking the Cryptic where they look at how to solve sudoku puzzles and crosswords etc. In this video the presenter works through Killer Sudoku Puzzle no 3, which you can see below:

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Solution to Killer Sudoku no 2

Killer Sudoku no 2

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage: 

Killer sudoku solver

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Solution to Killer Sudoku no 1

Killer Sudoku no 1

Unless stated otherwise:

I create the solutions for my killer sudoku puzzles using the C program which produces my standard 9x9 sudoku puzzles. I then create the puzzles by trial and error using Andrew Stuart's Killer Sudoku Solver This is fairly labour intensive so each one takes an hour or so to make.  

Usual sudoku rules apply i.e. each row, column and 3x3 mini-grid must have all of the numbers 1 to 9 exactly once. The puzzle is also divided into smaller areas called cages, which are surrounded by dashed lines. Numbers are not repeated within a cage. The number in the top left hand corner of each cage shows the sum of the numbers in that cage:

Killer sudoku solver

See answer