Logic Masters Deutschland e.V.

I got inspired by the new Rellik cage constraint by sujoyku and the foggy variant of gdc to create an Antipuzzle to my Cosmic Balance puzzle that features Killer cages. Thus, here is a puzzle with similar ideas, but now with Rellik cages, which directly lead to the name ecnalaB cimsoC :)

Normal Sudoku rules apply. The grid is covered in fog. Placing correct digits reveals clues in the surrounding 3x3 area.

Digits separated by a black dot are in a 1:2 ratio. Digits separated by a white dot are consecutive. Not all dots are given. Digits in big white circles (quads) must appear in the surrounding 4 cells. Digits in a grey square must be even.

Spiral Galaxy: Divide the grid into galaxies, which are orthogonally connected groups of cells that have 180 degree rotational symmetry about their centers, and do not overlap with other galaxies. All cells must be part of a galaxy. All galaxies are of size 3 or 4.

Rellik galaxies: The digits in each galaxy do not repeat and no combination of its digits sum to 18.

All galaxies are centered around a clue (even square, Kropki Dot, Quad). All clues are centers of a galaxy.

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