## {4,4}, square 1F + tromino 2F, solution 41
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,1,1)
unittile(1,1,2,1,2,1,1,3)
# the Conway notation
conway("(0 0')(1 7')(2 2')[3 1'](3' 6')[4' 5']")
sublines(1)