#47 - Battenburg Little Killer Sudoku

 Battenburg Little Killer Sudoku



Apply classic Sudoku rules.
Whenever two odd and two even digits form a 2×2 chessboard pattern, a Battenburg marking is given. If there is no marking, the above pattern is not allowed.
Each clue outside the grid indicates the sum of the digits contained in the cells in the direction of the corresponding arrow.


Solve on Penpa: https://tinyurl.com/2ld3ktjp

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