## {4,4}, tromino 1F + tromino 1F, solution 37
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 7)(1 1')(2 0')(3 7')(4 6')[5 4'](6 2')[3' 5']")
sublines(1)