Sudokus with patterns

In this type of Sukoku the numbers 1 to 9, do not only appear once in a row, column and block but also in various so called patterns. A pattern is a collection of positions (total of nine) that have the same color. Below are two examples.

Download the Sudokus with patterns:

Completely filled with patterns

Two times + and two times x

Cross and four arrows

Four blocks, completely filled

Triangles

Without the rule of a block

More challenge?
Did you made these Sudokus and do you like to go to a deeper level? Then you can go further with Sudokus where extra patterns have been added within the patterns. Face this challenge and click here!