12x12 Hard Sudoku – Vertical (6 On Page)

Description:

If you’re seeking a serious logic challenge, don’t miss our 6 On Page Sudoku Hard 12x12 Vertical layout. These six tall puzzles will occupy your mind for quite a while, as each 12x12 grid demands meticulous reasoning to ensure every row, column, and 4x3 region is filled correctly. The Hard difficulty adds an extra layer of complexity, making this design perfect for Sudoku veterans who crave a real test of skill.

Should you decide to alter the puzzle style, difficulty, or grid dimensions, just tap the “edit settings” button prior to downloading. Our service remains free, letting you generate, preview, and save as many variations as you want without encountering paywalls or hidden fees. Once you’ve customized the layout, print your vertical Sudoku sheet and immerse yourself in an extended puzzle-solving session. Experience that unmistakable rush of satisfaction when each intricate grid finally comes together under your keen eye for patterns and logic.

The actual PDF might look slightly different compared to what you see as a preview.
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Customer reviews

0 of 5 stars 4.7 of 5 stars
Laura

Is a great product for the price

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06 Feb, 2026
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Denae

Exactly what I was looking for

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Today hourly planner
05 Feb, 2026
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Mindy

My first maze was challenging and fun, looking forward to enjoying the rest of the collection.

03 Feb, 2026
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Jessica

Great templates for your happy planner

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Templates Premium Access
02 Feb, 2026
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Luis

I couldn’t be happier with this purchase! As a business owner, I’ve been on a quest for an e-planner that seamlessly integrates work and personal life. This planner offers the best of both worlds. After extensive research and trying out several options, I’m confident in its superiority. It functions flawlessly and boasts an intuitive navigation system. The planner is packed with numerous templates designed to motivate and help you achieve your goals in all aspects of life that matter most to you. I’m thrilled to use this e-planner and highly recommend it to anyone seeking a reliable and user-friendly planner. On top of everything, the exceptional service provided by Sydney, the owner, is truly superb. Thank you so much, Sydney - I look forward to making more purchases from your shop in the future! :)

30 Jan, 2026
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