Anytime Sudoku Blue -NumberPlace-

## Description

"Anytime Sudoku Blue" is number-placement puzzle.
"Number Place" is a game where players enter numbers 1 to 9 in 9 by 9 cells,
which consist of 9 sets of 3 by 3 cells, in columns, rows, and 3 by 3 cells without overlapping any two of them.

\- The 9 by 9 cells, which consist of 9 groups of 3 by 3,
already contain the numbers in question.

\- If you manage to enter numbers 1 to 9 in columns, rows,
and 3 by 3 cells without overlaps based on the numbers in question, the game is over.

Number Place is Sudoku! 数独！