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 (including solution):

1. Completely filled with patterns
2. Two times + and two times x
3. Cross and four arrows
4. Four blocks, completely filled
5. Triangles
6. Without the rule of a block