diagonal.json

{
  "id": "diagonal",
  "name": "Diagonal Sudoku",
  "rules": {
    "6x6": "Place a digit from 1 to 6 into each empty cell in the grid so that each digit appears exactly once in each row, column and 2x3 outlined box. Each main diagonal contains each digit from 1 to 6.",
    "9x9": "Place a digit from 1 to 9 into each empty cell in the grid so that each digit appears exactly once in each row, column and 3x3 outlined box. Each main diagonal contains each digit from 1 to 9."
  },
  "tags": ["classiclookalike", "diagonal"]
}