## {4,4}, domino 1F + tromino 2F, solution 53
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](1 4)(2 3')(3 2')[5][0' 6'](1' 4')[5' 7']")
sublines(1)