Tips:
Paste 81 numbers (use 0 for empty cells) with Ctrl+V.
Use backspace to move to the previous cell and clear it.
Numbers will turn red if they cause duplicates.
Use arrow keys to navigate.
Tips:
Paste 81 numbers (use 0 for empty cells) with Ctrl+V.
Use backspace to move to the previous cell and clear it.
Numbers will turn red if they cause duplicates.
Use arrow keys to navigate.