Look Inside Shows Two 4x4s Sharing a Strip. That Strip Has to Work in Both Grids.
Your reader turns the page and finds two small Sudoku grids stacked on one sheet, joined by a two-row strip of cells. They already know the 4×4: each row, each column, each 2×2 box. The new work sits in that strip. A digit there has to be legal in the top grid and the bottom grid at the same time.
That page is Twins. A shopper can see the join before they read a given, and they can put a name on the cover.
Sensei puts the same two grids on a diagonal. Triathlon A climbs three grids in a staircase. Triathlon B folds three into a moon. Each layout runs at 4×4, 6×6, and 8×8. Twelve overlapping pages. One Create is one size and one layout, with the matching key written in the same pass.
Try the free demo and print a 4×4 Twins page first.
Why Overlapping Small Sudoku Earns a Place in Your Catalog
The small-Sudoku aisle is a wall of lone 4x4s. A shopper who already owns two of those will skip the third unless the first page shows two boards sharing cells.
Overlapping small Sudoku is that page. Same reader. Same digits. The silhouette is no longer a square. Twins is the two-grid strip. Sensei is the diagonal. The staircase and the moon are the three-grid signatures that turn a sample into a later chapter.
I wanted that two-grid page in books I was already shipping, and I could not draw a shared strip by hand that stayed legal in both grids. This is the module I open when a small-Sudoku catalog needs a Look Inside that is not another lone 4×4.
Here is the whole rule, and it fits in two lines. Every sub-grid still does standard Sudoku: each row, each column, each box. Shared cells belong to more than one grid, and they have to satisfy every grid they sit in.
What You Can Create
One overlapping Creator. These are the books this product prints:
- A standalone Twins book: two-grid pages in the front, filled keys in the back
- A Sensei title whose Look Inside is the diagonal join, not the stacked strip
- A staircase title on Triathlon A: one size per Create, 4×4 for the short page or 8×8 for the long one
- A moon title on Triathlon B, the other three-grid silhouette
- A 4×4 Very Easy Twins chapter, then an 8×8 Extreme staircase as the next Create
- Worksheet packs and printables for KDP, Etsy, Teachers Pay Teachers, or a store you run
- A second listing from the same overlap, once you switch the digits to letters, Roman numerals, hex, or images
Create writes two images every time: the overlapping page with some cells given, and the same page filled.
See the Output
Why Create It with Puzzle Maker Pro?
The stall was never drawing two boxes on a page. It was making the shared cells legal in every grid they sit in, then sitting down later to fill the key after the book was already designed.
Each Create writes a puzzle image and a matching solution image. Set Quantity from 1 to 5000. Put the key in the solutions section in the back of the book, or put the puzzle page and the key in the printable pack you upload. You are not typesetting an answer section by hand.
One Create is one size and one layout. Twins at 4×4 is the Look Inside run. Sensei, the staircase, or the moon is the next Create. That is how a sample stays one silhouette and a later chapter gets its own.
Key Creation Workflows
Put Twins on Look Inside
Twins is two grids with a two-row overlap. On 4×4 that is the stacked page a shopper can name in one glance: two small Sudokus sharing a strip. Print that file first. If the join is the interior you would upload, that is the listing. The key for that same page comes out of the same Create.
Run the four signatures: Twins, Sensei, staircase, moon
Twins is the two-grid strip. Sensei is two grids on a diagonal. Triathlon A is three grids in a staircase. Triathlon B is three grids in a moon. Same overlapping rule on every signature: shared cells belong to more than one grid, and every sub-grid still does row, column, and box. Pick the silhouette the cover promised. One Create holds one of the four.
Size the book on the 4×4, 6×6, and 8×8 ladder
4×4 is the breezy page: Very Easy, Easy, and Hard. 6×6 is the sit-down: Very Easy through Hard. 8×8 is the long evening, and it is the size that can run through Extreme. Extreme is the top level on 8×8. It is not a fifth layout. Pick the size for how long they sit with the page, then pick the level that size allows.
Keep numbers, or switch the same overlap to letters, Roman, hex, or images
Numbers keep the shared strip readable on the first book. Letters, Roman numerals, hexadecimal, and images are skins on the same overlap, so a holiday letter set or a picture pack is a second listing, not a second product to learn. The join does not change. The glyphs on the cells do.
Set Quantity and take the puzzle-plus-key pair
Quantity is 1 to 5000 overlapping pages from one size and one layout. Each page ships with its filled key, as JPG, PNG, transparent PNG, or SVG. Instant Puzzle Books stacks that run. A worksheet pack takes the same pair.
Hand the set to Instant Puzzle Books, or open it in Puzzle Book Studio
You already keep trim, titles, and page numbers in the book builders. Instant Puzzle Books stacks the overlapping pages, then the keys, with a title page, a table of contents, and a footer that names the solution page. Puzzle Book Studio edits this one collection when you want fonts and titles changed on the page. Export as an interactive PDF book from either builder and the overlapping page opens its filled key.
From One Puzzle to a Full Book
A 4×4 Twins page is a cover thumbnail. An overlapping book needs a named silhouette first, a size ladder if the title calls for it, and a solutions section that matches.
Set the layout and the size, set Quantity, and Create. Instant Puzzle Books turns that run into the interior at the trim you already use: title page, contents, overlapping pages, then keys, with a footer that names the solution page. Export as an interactive PDF book from Instant Puzzle Books or Puzzle Book Studio and the puzzle page opens its filled key.
Puzzle Book Studio edits this one collection when you want to change front matter, puzzle pages, the answer key section, page numbers, or trim on the page. Next title: another layout or another size, same book settings.
Output Formats and Publishing Options
The overlapping page has to print as a book page or a class sheet without a redraw. Small Squares Variations writes JPG, PNG, transparent PNG, and SVG for the puzzle image and the filled key.
This product is Small Squares Variations: twelve overlapping layouts on 4×4, 6×6, and 8×8, Instant Puzzle Books, Puzzle Book Studio for this one collection, and interactive PDF books from either builder.
What Ships With Small Squares Variations
This page is one add-to-cart. Overlapping small Sudoku, matching keys, Instant Puzzle Books, and Puzzle Book Studio for this one collection.
| Small Squares Variations | |
|---|---|
| Twins, Sensei, Triathlon A (staircase), Triathlon B (moon) on 4×4, 6×6, and 8×8 | Yes |
| One Create is one size and one layout | Yes |
| Numbers, letters, Roman numerals, hexadecimal, and images | Yes |
| JPG, PNG, transparent PNG, SVG, puzzle and key | Yes |
| Instant Puzzle Books, with title page, contents, and solution cross-references | Yes |
| Interactive PDF books from Instant Puzzle Books or Puzzle Book Studio | Yes |
| Puzzle Book Studio, this one collection | Yes |
| License to sell finished books, worksheets, and packs to your own readers | Yes |
This page is Small Squares Variations, one add-to-cart. You can add other Puzzle Maker Pro products later if you want another puzzle type.
Try the free demo, then use Add to Cart at the top of this page.
Who This Is For
Publishers who already sell small Sudoku. You have a reader who buys 4×4 and 6×6 books and a Look Inside that looks like everyone else’s. This listing shows two grids sharing a strip, or three climbing a staircase. Instant Puzzle Books uses the trim you already keep.
People already assembling books in Puzzle Maker Pro. Small Squares Variations uses the same Create, the same pair of images, and the same Instant Puzzle Books settings. Puzzle Book Studio edits this one collection the way you already edit a collection.
Teachers who need a short sheet and a long sheet from one overlapping rule. A 4×4 Twins Very Easy for the group still working. An 8×8 staircase for the ones already done. Same shared-cell rule. The key stays on your desk.
If you have been skipping overlapping titles because drawing a shared strip that stays legal in both grids felt like a second job, that is the part Create already finished.
Try It Before You Buy
Make a 4×4 Twins page in the free demo and look at the shared strip before you buy. The demo writes a real overlapping Sudoku. Demo files carry a watermark. Paid files do not.
The shared Sudoku tutorials walk the Variations window. Getting Started with Puzzle Maker Pro – Sudoku is the generic Sudoku start.
Licensing and Commercial Use
Small Squares Variations is a one-time commercial-use license. Sell the finished books, worksheets, and packs you make to your own readers and customers, on KDP, Etsy, Teachers Pay Teachers, or a store you run. Paid files have no watermark.
The license covers the finished books, worksheets, and packs you make.
Product Details
| Product | Puzzle Maker Pro – Small Squares Variations |
| Shop editions | Small Squares Variations (one product) |
| Platform | Windows desktop |
| Internet required | No |
| Puzzle rule | Shared cells belong to more than one grid. Standard row, column, and box uniqueness on every sub-grid |
| Layouts | Twins (two grids, two-row overlap); Sensei (two grids, diagonal overlap); Triathlon A (three grids, staircase); Triathlon B (three grids, moon) |
| Grid sizes | 4×4, 6×6, 8×8 |
| Difficulty | 4×4: Very Easy, Easy, Hard. 6×6: Very Easy through Hard. 8×8: Very Easy through Extreme. Extreme is the 8×8 top level |
| Symbols | Numbers, letters, Roman numerals, hexadecimal, images |
| Quantity | 1 to 5000 puzzle files, each with a puzzle image and a matching solution image |
| Output formats | JPG, PNG, transparent PNG, SVG |
| Solution pages | Yes, a solution image generated with every Create |
| Puzzle books | Instant Puzzle Books; Puzzle Book Studio (this one collection); title page, table of contents, solution cross-references; interactive PDF books from Instant Puzzle Books or Puzzle Book Studio |
| Upgrades | This page is the Small Squares Variations product. You can add other Puzzle Maker Pro products later if you want another puzzle type |
| Commercial license | Sell the finished books, worksheets, and packs you make to your own readers and customers |
| Free demo | Yes |
| Delivery | Immediate, in your member area |
Questions Before You Buy
Is there a free demo?
Yes. The demo writes a real overlapping Sudoku, so you can print a 4×4 Twins page before deciding. Demo files carry a watermark. Paid files do not.
Can I upgrade later?
Yes. This page is Small Squares Variations, one add-to-cart. You can add other Puzzle Maker Pro products after you buy if you want another puzzle type.
What layouts do I get?
Twins, Sensei, Triathlon A (staircase), and Triathlon B (moon), each on 4×4, 6×6, and 8×8. Twelve overlapping pages. One Create is one size and one layout. Export Twins for Look Inside. Run Sensei, the staircase, or the moon as the next file.
Is this 9×9 Twins?
This product is overlapping Sudoku on 4×4, 6×6, and 8×8. Nine-by-nine overlapping layouts, including 9×9 Twins and 9×9 Sensei, are a different Puzzle Maker Pro product: Multidokus.
What files do I get?
A puzzle image and a matching solution image, as JPG, PNG, transparent PNG, or SVG. Instant Puzzle Books stacks those pairs into an overlapping-Sudoku interior. Export as an interactive PDF book from Instant Puzzle Books or Puzzle Book Studio and the overlapping page opens its filled key.
Can I sell the finished books and worksheets I create?
Yes. Small Squares Variations lets you sell the finished books, worksheets, and packs you make to your own readers.
Do I need the internet to create?
No. Small Squares Variations runs on your Windows PC with no internet.
Six Months From Now the Shelf Has a Twins Book, Not Another Lone 4×4
Another lone 4×4 competes on cover art. A Twins page competes on a strip a shopper can see before they read a given.
Open the demo and print two 4x4s sharing that strip. If those shared cells are the page you would upload, use Add to Cart. Then list a Sensei title beside a staircase, with keys you never filled by hand.
Then use Add to Cart at the top of this page.
Two small Sudokus share a two-row strip, and that strip has to work in both grids. Twins, Sensei, staircase, and moon on 4×4, 6×6, and 8×8, each Create writing a puzzle image and a matching key. Instant Puzzle Books stacks the interior. Try the free demo, then use Add to Cart at the top of this page.
