Normal sudoku rules apply.
Each 4×4 corner regions have different rules of sudoku variants described below:
Top-left: XV
Digits in cells separated by an X
sum to 10.
Digits in cells separated by a V
sum to 5.
Only in this 4x4 region, all possible X and V's are given.
Top-right: Thermo Sudoku
Along thermometers, the digits must increase starting from the bulb.
Bottom-left: Special Square
The sum of the digits in all 4 rows and in all 4 columns are equal to the same number(which has to be determined).
Bottom-right: Killer sudoku
The numbers on the corners of the cages indicate the sum of the digits inside the cage. Digits cannot repeat within cages.
Solution code: Column 2, followed by row 9.
on 24. July 2024, 15:53 by mezkur7
Sudokupad: https://sudokupad.app/515g7sltki