## {4,4}, tromino 1F + tromino 1F, solution 41
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][1](2 0')(3 7')(4 6')(5 5')[6][7][1'][2'][3'][4']")
sublines(1)