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Theme: 5-8-19

Author/Opus: This is the 340th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 2nd row from left to right followed by the 4th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:00, Expert = 8:00

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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Theme: Four Fours

Author/Opus: This is the 141st puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Skyscrapers rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 0:40, Master = 0:50, Expert = 1:40

Solution: PDF

Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 255th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard TomTom rules, using the integers 1-8. Also, identical digits cannot be in diagonally adjacent cells

Answer String: Enter the 2nd row from left to right followed by the 6th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 10:00, Master = 15:00, Expert = 30:00

Solution: PDF; a solution video is also available here.

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Three Thirty

Author/Opus: This is the 13th puzzle from guest contributor Ashish Kumar.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 1st row from left to right followed by the 6th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 6:00, Expert = 12:00

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Jackpot

Author/Opus: This is the 139th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 1st row from left to right followed by the 5th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:15, Expert = 6:30

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Even

Author/Opus: This is the 15th puzzle from guest contributor Dan Katz.

Rules: Standard TomTom rules, using the indicated set of integers {0,2,4,6,8}.

Answer String: Enter the 1st row from left to right followed by the 4th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:30, Expert = 3:00

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Powers of Two

Author/Opus: This is the 337th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 2nd row from left to right followed by the 4th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 1:20, Master = 2:00, Expert = 4:00

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Tetra Z

Author/Opus: This is the 14th puzzle from guest contributor Dan Katz.

Rules: Standard TomTom rules, using the integers 1-5.

Answer String: Enter the 1st row from left to right followed by the 5th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:00, Expert = 2:00

Solution: PDF

Note: Follow this link for other TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

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or solve online (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.)

Theme: Binary

Author/Opus: This is the 1st puzzle from guest contributor Michael Tang. You can find more puzzles from Michael on the blog mstang’s puzzles.

Rules: Fill each row and column of the grid with the digits 1 to 5 and two blackened cells. Numbers outside the grid indicate the sum of the digits between the two blackened cells in that row or column. Blackened cells are allowed to touch. Or see here.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 7th row from left to right. Use an X (capital letter) for each blackened square.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:00, Expert = 6:00

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

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Theme: Before …

Author/Opus: This is the 130th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Kakuro Rules.

Answer String: Enter the values in each cell in the 2nd column from top to bottom and then in the 10th column from top to bottom, separating the two entries with a comma. Ignore black cells.

Time Standards (highlight to view): Grandmaster = 15:00, Master = 22:30, Expert = 45:00

Solution: PDF

Note: Follow this link for other Kakuro puzzles. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.