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Second-Degree Black Belt Sudoku (Dollar Tree) (Martial Arts Sudoku): Longo, Frank: 9781402751646: Amazon.com: Books
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Beyond Black Belt Sudoku: If You Have to Ask, It's Too Hard for You by Frank Longo, Paperback | Barnes & Noble®
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Beyond Black Belt Sudoku: If You Have to Ask, It's Too Hard for You by Frank Longo, Paperback | Barnes & Noble®
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Second-Degree Green Belt Sudoku® (Martial Arts Puzzles Series) - Longo, Frank: 9781402737152 - AbeBooks
![Proud of this one. Solved in under 30 minutes by hand, no hints or internet help. Can anybody tell me an easier strategy than bi-value Nishio or 3D Medusa in the left Proud of this one. Solved in under 30 minutes by hand, no hints or internet help. Can anybody tell me an easier strategy than bi-value Nishio or 3D Medusa in the left](https://i.redd.it/0fr11xqs93451.jpg)
Proud of this one. Solved in under 30 minutes by hand, no hints or internet help. Can anybody tell me an easier strategy than bi-value Nishio or 3D Medusa in the left
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