## {4,4}, square 1S2a + tromino 1S, solution 1 e2. angleunit(pi/2) # the line below lets us specify internal angles angleofs(pi) unittile(1,1,1,1) unittile(1,1,2,2,1,1,2,2) # the Conway notation conway("(0)(2)(1 1')(3 5')(0' 6')(4' 2')(3')(7')") sublines(1)