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