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