Sudoku is Giraffe Hunt 2 by Bellal, App variant is OTHER


Normal sudoku rules apply. Anti-giraffe: cells (1,4) apart cannot contain the same digit. (eg the digit in r1c5 cannot appear in r2c1/r2c9/r5c4/r5c6.) Cells joined by black dots contain digits in a 1:2 ratio (ie one digit will be double the other); cells joined by a white dot contain consecutive digits. Along a thermometer, digits increase from the bulb end. The digits in the black cage sum to 12. The blue cages contain the same pair of digits.

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