Logic Masters Deutschland e.V.

I often also solve Binoxxos and because of my appreciation I had the idea of combining it with Sudoku. Hope you enjoy "the Binoxdoku".

🧩 Binoxxo your position

Rules:

• Standard Sudoku rules apply.
• The grid is surrounded by an extra outer row and column, both boldly outlined, forming a 10×10 layout.
• In this outer layer, a Binoxxo is played: each cell is either orange or blue (instead of X or O).
  • No three cells of the same color appear consecutively in any row or column.
  • Each row and column of the Binoxxo area contains an equal number of both colors.
  • No two rows or columns in the Binoxxo area are identical.
• For each inner Sudoku row and column:
  • The first outer cell indicates, by its color, which inner cells are relevant.
  • Let A and B be the digits in the first two inner cells that share the same color as that outer cell.
• If a clue appears in the colored outer row or column, it gives the sum A + B.
• If a clue appears in the next outermost row or column (beyond the Binoxxo), it gives the sum of the A-th and B-th digits in that row or column.
• White dots connect adjacent cells whose digits are consecutive (difference = 1).

Here is an example of a Binoxxo (usually it is played with X and O):