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Micro (4x4) Sudoku
Mini (6x6) Sudoku
"+9" Samples
Special Occasions
Standard (9x9) Sudoku
Sudoku Strategy
Free Printable Books
Sample Puzzles
About DC Sudoku
How to Sudoku
Sudoku Humor
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Happy Pi Day: Pi Symbol #2
This puzzle is made by distorting the standard Sudoku grid such that the symbol for pi shows in the middle. The puzzle is made using the characters
for HAPPY PI DAY 314.
Special Occassion Puzzles
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- Christmas
- Christmas Puzzle
- Christmas Tree Puzzle Numbers version
- Christmas Tree Puzzle Harder letters version
- Christmas Tree Puzzle Easier letters version
- Christmas Puzzle Solutions
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- Valentine's Day
- Valentine Puzzle 1
- Valentine Puzzle 2: message forms a heart
- Challenge Version of Heart Puzzle #1 Irregular grid arranged to show a heart shape
Easier Version of Heart Puzzle #1 More starting letters provided than the Challenge version
- Challenge Version of Heart Puzzle #2 Irregular grid arranged to show a heart shape
Easier Version of Heart Puzzle #2 More starting letters provided than the Challenge version
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- New Year
- New Year Puzzle #1
- New Year Puzzle #2
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- Birthday Puzzles
- Just HAPPY BIRTHDAY: Happy Birthday #1,
Happy Birthday #2
- By Name: Adam,
Barb,
Barbara,
Barry,
Brad,
Harry,
Patty,
Tara
- Other:
Baby,
Dad,
Daddy
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- Pi
- Color Circle Pi The first 32 digits of pi snake around the puzzle changing color by 8 units of hue from digit to digit, thus making a color circle.
- Pi Circle #1 .
- Pi Circle #2 .
- Pi Closed Loop #1 Abandons the cirlce idea from the above puzzles in order to use more digits. Starts and ends on the same 3.
- Pi Closed Loop #2 Abandons the cirlce idea from the above puzzles in order to use more digits.
- Happy Pi Day: Pi Symbol #1. Distorts the grid to show a pi symbol, uses the characters for HAPPY PI DAY 314.
- Happy Pi Day: Pi Symbol #2. Distorts the grid to show a pi symbol, uses the characters for HAPPY PI DAY 314.
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- Easter Puzzles
- HAPPY EASTER! #1 (a bit harder than #2)
- HAPPY EASTER! #2 (a bit easier than #1)
- CHOCOLATE EGGS
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