Logic Masters Deutschland e.V.

Normal sudoku rules apply.

16 pentominoes are hidden in the grid. They are not overlapping and two pentominoes of the same shape cannot touch, even diagonally. Digits cannot repeat within a pentomino. The small numbers in the corner of some cells, indicate the sum of the squares of the pentomino that cell belongs to. The grey circle does not belong to a pentomino.

The grey lines are palindromes - i.e. cells on an equal distance from the center of the line contain the same digit AND are part of pentominoes of the same shape. None of the cells along a palindrome belong to the same pentomino (but different palindromes can pass through the same pentomino).

Reflections and rotations of a pentomino does not count as changing the shape or type in this puzzle.

Penpa+: https://tinyurl.com/26u7bwpp

SudokuPad: https://sudokupad.app/xn41sccqjy