## {4,4}, pentomino 9 (V), solution 4 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 3)(1)(2)(4 11)(5 10)(6 9)[7 8]") sublines(1)