## {4,4}, pentomino 3 (L), solution 20
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,1,2,2,2,1,1,2,2,3)
# the Conway notation
conway("(0 8)[1][2][3][4][5][6][7](9 11)(10)")
sublines(1)