## {4,4}, pentomino 12 (P), solution 5 e2. angleunit(pi/2) # the line below lets us specify internal angles angleofs(pi) unittile(1,1,2,2,1,2,1,2,1,3) # the Conway notation conway("(0)(1 9)(2 3)(4 8)(5 6)(7)") sublines(1) sublines(2)