Logic Masters Deutschland e.V.

Rules:

Non-standard sudoku:
Place one 1, two 2's, and three 3's in each row and each column.

Unique sum cages:
The dozen cages each have a unique sum from 1-12. (Digits may repeat in cages.)

Palindromes:
Each gray line is a palindrome which reads the same forwards and backwards.

Click to play on SudokuPad

Please leave a comment if you enjoy :)