Sudoku Simple Coloring Rule 2

25 Feb, 2021

If the first case is true then the first yellow cell marked by an. A method of coloring Conjugate Pairs that will allow you to determine which color is True and which color is False if certain conditions are met.

Simple Coloring Singles Chains Strategy Sudoku

If candidates of the same color appear together in the same unit then you know that that color is incorrect because if that color were correct then that candidate would have to be in two places in one unit which is not allowed.

Sudoku simple coloring rule 2. It is impossible that two cells with opposite colors can be true at the same time. Personally Id discard Simple Coloring and discontinuous X-Cycles altogether. When two opposite colors are applied to a grid say color 1 and color2 either all cells with color 1 are true and all cells with color 2 are false or vice versa.

B1 Row A A2. If more than two colors are. Jan 28 2018 In this case the end result is the same through any of these moves Simple Coloring X-Chain2-String Kite X-ChainSkyscraper either kind of Discontinuous X-Cycle.

Whenever a candidate outside the chain relates by column row or box to two alternately coloured cells in a singles chain that non-chain candidate can be excluded. In the example above there are three instances of units that contain more than one 5 with the same color. From the Start This rule is shared with Simple Colouring.

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. The elimination above is missed by programs such as the solver in Simple Sudoku merely because of the grouping of e453. In my humble opinion such a grouping adds little complexity.

However if one generalizes the idea of coloring then learning each specific technique involving just one number is superfluous. All candidates with this color can be eliminated. This applies to Z above if we consider the Z not part of the chain but a clearer example of a non-chain elimination is below.

Then the blue cell that shares the common 3x3 box with the yellow cell must be 7 since it will be the only place that the digit 7 can go in this 3x3 box. 32 including several examples of Simple Coloring Type I. All the candidates for digit 3 are highlighted.

How it works 1 The following example demonstrates the principle. When a row column or box contains only 2. Brown white green blue pink yellow red grey and purple.

The colored chain of conjugate pairs based on the value 8 in Figure 2 is an example of Simple Coloring Type 2. Our second rule is. 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 region.

We found many exciting and extraordinary Sudoku Simple Coloring Rule 2 photos that can be suggestions input and information with regard to you. A Review of Tutorials 31. So if one square contains eight of those colors it is easy to identify which ball should go in the final cell.

First look for cells in which only one color can fit. Color Appears Twice in a Unit. As before start with any conjugate pair and build up the colored tree.

Rule 2 Twice in a Unit. SIMPLE COLORING TWICE IN A UNIT. A4 and Column 1 B1.

Once all the singles have been found I usually start marking. Simple Colors Simple Colors is a subtype of coloring which only uses 2 colors. You have nine colors.

3D Medusa Rule 2. Type II along with many other helpful tips. Its the same principle as the first rule but we are looking for two coloured occurrences of X in the same unit row column or box as opposed the two of the colour in the same cell.

This strategy looks for two cells of the same color in a colored tree of conjugate pairs in the same unit. If the second case is true then the first green cell marked by an. The locked candidate rule form 2.

Load Example or. Of course the game isnt always so simple. Sudoku Simple Coloring Rule 2 - Hello in this specific article you will provide a few interesting pictures of Sudoku Simple Coloring Rule 2.

Mar 24 2015 Simple Coloring Type 2. If you see a box row or column with two cells that have the same color remove all instances of the number that share that color.

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