Complete the grid so that each of the nine 3x3 squares, and each 3x3 square formed from cells of the same colour, contain a drawn game of noughts and crosses (no row, column or diagonal contains three noughts or three crosses).
Fill ALL empty cells with uppercase letters O and X.
Lösungscode: row six
am 26. Juni 2025, 15:30 Uhr von AlfSmith
Penpa+ puzzle updated.
am 25. Juni 2025, 18:45 Uhr von AlfSmith
Rules clarified.