Sudoku no 341 (Diabolical)

This puzzle was supplied by Erick Middleton, a member of the
Sudoku Puzzles Facebook group. He created it using a Perl script which he wrote himself:

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Sudoku Puzzle no 299 (Tough)

This puzzle was sent to me by Erick Middleton, a member of my Sudoku Puzzles Facebook group:

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Sudoku Puzzle no 287 (Extreme)

This puzzle came from Erick Middleton, a member of my Sudoku Puzzles Facebook group:

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Sudoku Puzzle no 283 (Extreme)

This puzzle came from Erick Middleton, a member of my Sudoku Puzzles Facebook group:

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Sudoku no 278 (Diabolical)

Here is another puzzle from Erick Middleton, a member of the Sudoku Puzzles Facebook group:

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Sudoku Puzzle no 276 (Moderate)

Erick Middleton created this puzzle using a Perl script. He is a member of my Sudoku Puzzles Facebook group:

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Solution to Puzzle no 271

Sudoku Puzzle no 271 (Diabolical)

Erick Middleton, a member of my Sudoku Puzzles Facebook group, sent me some more puzzles a day or two ago. He creates them using a Perl script (whereas I use a C program). Here is one of his puzzles. It starts easily but has three tough / diabolical positions towards the end:

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Sudoku no 226 (Extreme)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Solve online 

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Sudoku Puzzle no 212 (Tough)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Solve online

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Sudoku Puzzle no 207 (Moderate)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

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Sudoku Puzzle no 204 (Tough)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

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Sudoku Puzzle no 201 (Easy)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Solve online

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Sudoku Puzzle no 198 (Diabolical)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

 

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Sudoku Puzzle no 194 (Tough)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:
 

Solve online 

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Sudoku Puzzle no 191 (Easy)

Erick Middleton is a member of my Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Solve online 

See answer 

Sudoku no 187 (Moderate)

Erick Middleton is a member of the Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

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Sudoku no 183 (Very Easy)

Erick Middleton is a member of the Sudoku Puzzles Facebook group. He wrote a Perl script and used it to create the puzzle below:

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Sudoku no 179 (Very Easy)

Erick Middleton is a member of the Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Sudoku Grader and Solver

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Sudoku no 177 (Very Easy)

Erick Middleton is a member of the Sudoku Puzzles Facebook group. He wrote a Perl script, which he used to create the puzzle below:

Solve online

Sudoku grader and solver

See answer