Sudoku Simple Coloring Rule 2

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Solving Techniques 7 Simple Coloring Sudoku Kyo Free Sudoku Game

The only numbers missing from the square are 5.

Sudoku simple coloring rule 2. When thirteen cards of the same suit from King all the way to Ace are together on a tableau column they are automatically moved to the foundations. The logic is colorfully highlighted but here is an explanation. When a row column or box contains only 2 candidates for a digit one of them must be true and the other must be false.

And thus 6 is sole candidate for row number 4. All the candidates for digit 3 are highlighted. 2 becomes sole candidate in row 6.

SIMPLE COLORING TWICE IN A UNIT. Those three numbers are only seen in three squares in the row. You should be able to solve any puzzle here without writing anything down and.

Try every configuration one by one until the correct configuration is found ie. Any time you expose a face-down card in a tableau column that card is automatically turned face-up for you. Simple Colors Simple Colors is a subtype of coloring which only uses 2 colors.

These 4x4 logic puzzles use color instead of numbers to help kids build the strategies needed for harder soduku puzzles. The locked candidate rule form 2. Not only does Simple Sudoku make challenging puzzles it also provides tools to help solve them - removing the drudgery but not the fun.

In the above example 1 2 and 5 shown in red are a hidden triple. Sudoku can help kids learn critical thinking and logic skills but the standard puzzles can be a difficult place to start. Keeping track of possible values for blank cells candidates providing filters and color markers are just some of the tools available to make solving even those really tricky puzzles possible.

Tableau columns are built down by suit. The first set of printable pages provides sudoku instructions and an illustration to get you started and its duplicated below in case you need a quick reminder of the rules for sudoku. In this puzzle this means 1 becomes sole candidate in the second row.

Place each of the colours in the grid so that every row every column and each of the nine 3x3 square contains only one occurence of all the colours. Since 4 and 7 must be placed in either of these two cells all of the pairs circled in blue can remove those numbers as candidates. How it works 1 The following example demonstrates the principle.

Since they only appear there those three squares MUST contain 1 or 2 or 5 and no other numbers. For younger kids the color sudoku for kids pages here are a good start but once those puzzles are mastered moving on to these traditional sudoku with numbers is the next step. If two Nodes in the Chain belong to the same region Row Column or Square and if they have the same color then this color can not be the solution because a candidate can not be the solution for two cells in the same.

For every unassigned position fill the position with a number from 1 to 9. For that reason the other candidates can be removed from those squares as shown crossed out in red. Once all the singles have been found I usually start marking.

Ad Improve Your Business ROI - Get A Better Deal On Sudoku Game. Color Sudoku Puzzle Welcome to our colour Sudoku. Since 3s in column c are limited to c2c6 - If c63 then c23.

These candidates have a strong link. When a candidate is possible in a certain block and rowcolumn and it is not possible anywhere else in the same block then it is also not possible anywhere else in the same rowcolumn. If c23 then without even looking at the grid e2 cannot be 3.

The naive approach is to generate all possible configurations of numbers from 1 to 9 to fill the empty cells. Since 3s in column e are limited to e2e4e5 - If e23 then 3s must exist within e45. 50 Printable Sudoku Puzzles.

If c63 then clearly d6 cannot be 3. Dont Repeat Any Numbers As you can see in the upper left square circled in blue this square already has 7 out of the 9 spaces filled in.