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3-In-A-Row Help

Rules / Objectives Summary

  • Fill the grid with Blue and White squares.
  • A 3-In-A-Row of the same colour is not allowed.
  • Each row and column has an equal number of Blue and White squares.

See the Walkthrough or Advanced Tips for extra tips and tricks.

3-In-A-Row Puzzle

Objective
When the puzzle is complete each row and column has an equal number of Blue and White squares.

There will be no sequence of 3-In-A-Row squares of the same colour.

Move your mouse over the puzzle to see the answer.



Walkthrough

Help 1



Step 1
This is the start of the puzzle.

Solve this puzzle for yourself at the same time.

Help 2



Step 2
We are not allowed 3 Blue squares together, so these squares must be White.

Help 3



Step 3
We are not allowed 3 White squares together, so this square must be Blue.

Help 4



Step 4
Each row and column must contain the same number of Blue and White squares, so these squares must be White.

Help 5



Step 5
We are not allowed 3 White squares together, so these squares must be Blue.

Help 6



Step 6
We are not allowed 3 Blue squares together, so these squares must be White.

Help 7



Step 7
Each row and column must contain the same number of Blue and White squares, so these squares must be Blue.

Help 8



Step 8
Each row and column must contain the same number of Blue and White squares, so this square must be White.

Help 9



Step 9
Each row and column must contain the same number of Blue and White squares, so this square must be Blue.

Help 10



Step 10
Each row and column must contain the same number of Blue and White squares, so these squares must be Blue.

Help 11



Step 11
We are not allowed 3 Blue squares together, so these squares must be White.

Help 12



Step 12
Each row and column must contain the same number of Blue and White squares, so this square must be White.

Help 13



Step 13
We are not allowed 3 Blue squares together, so this square must be Blue.

Help 14



Step 14
We are not allowed 3 Blue squares together, so this square must be White.

Help 15



Step 15
The puzzle will now complete as each row and column must contain the same number of Blue and White squares

Help 16



Step 16
The completed puzzle.


Advanced Tips

Help 17

This square cannot be Blue, if it was, it would force the 3 remaining squares in this row to be White, and this would be a 3-In-A-Row of White squares - which isn't allowed.

Therefore this square is White.

Help 17

Similarly this square must be Blue.

 

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