The puzzle consists of filling a 9×9 board with numbers from 1 to 9.
The name "Sudoku" is an abbreviation of
"numbers must be single" because of the rule that
"the same number cannot be placed in the same column or block".
How to participate Puzzle rally
①Solve Sudoku puzzles and get <Sudoku puzzle key number>.
②Solve the hole quiz and get <key number of the hole quiz>.
③Using the two key numbers you have, challenge yourself to solve the Number Riddle!
④If you show your answer at the Goal and it is correct, you get a participation prize.
Original goods will be awarded by drawing for a W-chance!