## {4,4}, tetromino 4 (T), solution 7
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 4)(1 7)(2 6)(3 8)(5 9)")
sublines(1)