Logic Masters Deutschland e.V.

Rules: Math Path variant
1. Fill the grid with the numbers 1–26. Some numbers may already be given.
2. For each dotted cage, arrange the numbers in decreasing order and apply the indicated operation sequentially from left to right. The result must be a positive integer consisting only of the digits 2 and/or 6 (e.g., 6, 22, 62, etc.).
3. It must be possible to visit all numbers in increasing order using only chess knight moves.


You can solve the puzzle here.

Here is a different version of this puzzle.
You can check out a similar Snake variant here.
Enjoy!