- ➊ Draw single or double straight lines between the circled
- ➋ The number in a circle indicates how many lines must end
- ➌ The lines must run horizontally or vertically and must not
cross or branch off.
- ➍ Lines must not cross circled numbers.
- ➎ All circles must be connected; i.e. it must be possible to
travel from any circle to any other circle following the lines.