v 10000 10000
v 10000 90000
v 90000 90000
v 80000 60000
v 70000 80000
v 60000 60000
v 50000 80000
v 40000 60000
v 30000 80000
v 30000 20000
v 40000 40000
v 50000 20000
v 60000 40000
v 70000 20000
v 80000 40000
v 90000 10000
#

A sawtooth figure (in the concave hole of a square) with teeth opposing each other.
