Free Printable Ultimate (Very Hard) Killer Sudoku Puzzles

Click on the links below to download PDFs which are set to print on A4 paper. Solutions are here.

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Love very hard killer sudoku puzzles? Why not give our ultimate killer sudoku books a try?

• 

  Big Book of Ultimate Killer Su Doku Book 2

  £10.99 Buy on Amazon
• 

  Big Book of Ultimate Killer Su Doku Book 1

  £10.99 Buy on Amazon
• 

  Ultimate Killer Su Doku Book 1

  £5.99 Buy on Amazon

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