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