## {4,4}, tromino 1A1 + tromino 1A1, solution 2
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 6)(1 1')(5 5')(2 0')(4 6')(3 7')(7)(2' 4')(3')")
sublines(1)