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Classic Sudoku: Every row, column and 3x3 box must contain every number from 1 to 9. Thermometers: Along thermometers, digits must increase from the bulb. Kropki: Two digits separated by a white dot are consecutive.
Mercury Nucleus
By GiAnMMV
Classic Sudoku: Every row, column and 3x3 box must contain every number from 1 to 9. Thermometers: Along thermometers, digits must increase from the bulb. Kropki: Two digits separated by a white dot are consecutive.