## {4,4}, tetromino 4 (T), solution 4
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,2,1,1,3,1,1,3)
# the Conway notation
conway("(0)(1 9)(2 4)(3)(5)(6 8)(7)")
sublines(1)