Briefing
Click digits to subtract them by one. Rule 1: All dots must be enclosed by walls. Rule 2: Walled-off zones cannot be empty. Rule 3: Each zone must contain an equal number of dots.
Summary
Click digits to subtract them by one. Rule 1: All dots must be enclosed by walls. Rule 2: Walled-off zones cannot be empty. Rule 3: Each zone must contain an equal number of dots.
