## {4,4}, tromino 1F + tromino 1F, solution 43
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,2,1,1,2,2)
unittile(1,1,2,2,1,1,2,2)
# the Conway notation
conway("[0 5](1 3')[2 6'][3 7'][4 0'][6 4'](7 1')[2' 5']")
sublines(1)