## {4,4}, square 1A1 + domino 1A1, solution 1
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,1,1)
unittile(1,1,2,1,1,2)
# the Conway notation
conway("(0)(1 0')(3 5')(2)(1' 4')(2')(3')")
sublines(1)