On this website you can play two logic number puzzles: suguru, also known as cijferblokken, and sugurulines.
On this page you can learn all about suguru!
Suguru, also known as cijferblokken or number blocks, is a creation of Naoki Inaba from Japan. Naoki Inaba is a well-known puzzle designer.
These suguru puzzles only have a few simple instructions, but they can be extremely challenging. At first sight they resemble sudoku puzzles.
You have a grid which is subdivided into shapes. Each shape has 1 to 5 cells in size. Now fill the grid so that each cell contains a digit from 1 to 5. So for example a 3-square shape may only contain the numbers 1, 2 and 3. A 5-square shape should contain the numbers 1 to 5. No same digit appears in any neighboring cell, not even diagonally.
There is no fixed order to place to digits, but you have to use thinking strategies. Suguru is not a game of trial and error.
To get you started some cells already contain a number. Let’s try it!
|This is what you get at the start of a suguru puzzle. There're already some numbers on the grid to get you started.|
|We have a 1-shape in the bottom left corner of our grid.
There we have to place number 1.
We have a 2-shape in the top right corner of our grid. We must place number 2 in the top square to avoid contact with the other 2. Number 1 is for the bottom square of the 2-shape.
As a result of the influence of number 1 in our 2 shape, the number 1 of our 5-shape
needs to be in the top left corner of the grid.
How did we found number 4? Simple. Number 1 or 2 wasn't allowed. We may not place number 3 because we wouldn't be able to place a number 3 in our 3-shape at the bottom right corner of our grid.
|Number 4 goes in the top square to avoid contact with the other 4. This leaves one square open for number 5. We also place number 3 in our 3-shape.|
|Number 1 in the middle to avoid contact. Number 2 in the top square
and number 3 in the bottom square.
Your first suguru is finished!
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