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