Strimko Rules

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The Strimko Object

The object of the puzzle is to fully fill in the given grid with missing numbers observing three simple rules. You have numbers 1 through 3 for a 3 x 3 grid; 1 through 4 for a 4 x 4 grid; 1 through 5 for a 5 x 5 grid; 1 through 6 for a 6 x 6 grid; 1 through 7 for a 7 x 7 grid; and so on.

Three Simple Rules

Rule #1
Each row must contain different numbers.
Rule #1
Rule #2
Each column must contain different numbers.
Rule #2
Rule #3
Each stream must contain different numbers.
Rule #3

Strimko Example

Start
Let’s solve the easiest 3 x 3 Strimko logic puzzle step-by-step.
Step #1
In the second row only one number is missing. Thus we can put in the grid our first number, 3.
Step #2
In the diagonal stream we can put in its top right cell only 1, and in its bottom left cell only 2. One stream is fully filled now.
Start
Step #1
Step #2
Step #3
Now we can put two missing 3’s; they must go in the middle cells of the two opposite corner-like streams.
Step #4
Finally, we have to complete both corner-like streams putting 2 in the top vacant cell, and 1 in the bottom one.
Finish
Congratulations!
You have solved your first Strimko logic puzzle.
Step #3
Step #4
Finish
Last Updated: January 16, 2010 top
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