Bar chart polyomino
A bar chart is a polyomino that is diagonally directed from two adjacent corners. These shapes look like statistical bar charts, hence the name. By definition, a bar chart is a wing.
Symbol
Regex
ru(ru|lu)*ld
A bar chart is a polyomino that is diagonally directed from two adjacent corners. These shapes look like statistical bar charts, hence the name. By definition, a bar chart is a wing.