## {4,4}, domino 1R + tromino 2F, solution 18
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,1,1,2)
unittile(1,1,2,1,2,1,1,3)
# the Conway notation
conway("(0 2')[1 5'](2 3')(3 2')[4 5'](5 3')(0' 6')[1' 4'](7')")
sublines(1)