PDF

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

Theme: Bull’s-Eye

Author/Opus: This is the 218th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 9:00, Master = 21:00, Expert = 42:00

Solution: PDF; a solution video is available here.

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

PDF

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

Theme: Sum of 24 in Both Halves

Author/Opus: This is the 67th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from 1-6 (1-4 in example below) so that each digit appears exactly once in every row and column. When digits touch vertically, the upper digit must always be bigger.

Answer String: Enter the values in each cell in the marked columns from top to bottom, using a capital X for blank cells. The example has the solution “412X3X,324X1X”.

Time Standards (highlight to view): Grandmaster = 4:15, Master = 5:30, Expert = 11:00

Solution: PDF

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

PDF

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

Theme: Ring Cycle

Author/Opus: This is the 217th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

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 = 4:15, Master = 6:30, Expert = 13:00

Solution: PDF

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 66th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from 1-5 (1-4 in example below) so that each digit appears exactly once in every row and column. When digits touch vertically, the upper digit must always be bigger.

Answer String: Enter the values in each cell in the marked rows, using a capital X for blank cells. The example has the solution “412X3X,324X1X”.

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.

PDF

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

Theme: 1-4 Sequences

Author/Opus: This is the 65th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from 1-4 (also 1-4 in example below) so that each digit appears exactly once in every row and column. When digits touch vertically, the upper digit must always be bigger.

Answer String: Enter the values in each cell in the marked rows, using a capital X for blank cells. The example has the solution “412X3X,324X1X”.

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

Solution: PDF

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

PDF

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

Theme: Boxed In

Author/Opus: This is the 216th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:20, Expert = 2:40

Solution: PDF

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

All the puzzles from last week’s variety mix can be found in this PDF.

Next week we’ll be focusing on two different puzzles: Even/Odd Sudoku by Thomas Snyder and Top Heavy Number Place by Serkan Yürekli

The bonus puzzle for our high-level supporters will be a Fillomino by Grant Fikes.

PDF

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

Theme: Clue Symmetry and Logic (This puzzle style was written for Chris Green, one of our Super Grandmaster patrons)

Author/Opus: This is the 215th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Tile Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:30, Master = 4:45, Expert = 9:30

Solution: PDF

Note: Follow this link for other Tile Sudoku.

PDF

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

Theme: Mysterious L’s

Author/Opus: This is the 161st puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard TomTom rules, using the integers 1-7.

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 = 6:15, Master = 9:45, Expert = 19:30

Solution: PDF; a solution video is available here.

Note: Follow this link for other classic TomTom. If you are new to this puzzle type, here are our easiest TomTom to get started on.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)

Theme: Married or Single?

Author/Opus: This is the 35th puzzle from our contributing puzzlemaster Palmer Mebane.

Rules: Standard Fillomino rules.

Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Enter just the last digit for any two-digit number. Start with the 7th row, followed by a comma, followed by the 8th column.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 4:00, Expert = 8:00

Solution: PDF

Note: Follow this link for other classic Fillomino. If you are new to this puzzle type, here are our easiest Fillomino puzzles to get started on.