A figure showing which grid squares are adjacent on a Möbius strip board. For example, if you go one place right from the top-right square 3, you will go to the bottom-left square 7.
More from Chalkdust
Crossnumber winners, Issue 17
Did you solve it?Crossnumber winners, Issue 16
Did you solve it?Prize crossnumber, Issue 16
Can you solve it?
Cryptic crossword, Issue 16
Can you solve it?Crossnumber winners, Issue 15
Did you solve it?
My favourite LaTeX package
The Chalkdust editors share some of their favourites