## {4,4}, tromino 1F + tromino 1F, solution 27
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 3)(1 0')(2 1')(4 7)[5 5'][6 4'](2' 7')(3' 6')")
sublines(1)