Question

what changes did the japene publishers nikoli nake to americans sudoku​

Answer 1

Answer:

because it has own power it do not take help of other countries . So An America developing day by day

Answer 2

Explanation:

More than two centuries later, the difference for Sudoku players is that the grid is subdivided into blocks of nine. The realisation that this could become a popular phenomenon was made in Manhattan, New York in the late 1970s by Dell Puzzle Magazines, which has been producing crosswords and other puzzles .