|Connect 9 Dots Solution|
||This drawing shows the usual 4-line solution.|
9 Dots, 3 Lines
This drawing shows the 3-line solution (this only works if the dots are not points).
9 Dots, 1 Line
||The 1-line solution shown in the third drawing involves placing the dots on the surface of the earth with a single line going round the planet three times!|
If you get objections to this solution, the alternative is one very thick line.
16 Dots, 6 Lines
25 Dots, 8 Lines