## {4,4}, pentomino 9 (V), solution 1 e2. angleunit(pi/2) # the line below lets us specify internal angles angleofs(pi) unittile(1,1,2,2,1,2,2,1,1,2,3,2) # the Conway notation conway("(0)(1 7)(2 4)(3)(5 6)(8 11)(9 10)") sublines(1)