49.
Press the paper down while rotating the center to 90 degrees counter-clockwise.
Make sure the center is popping out.
50.
(a) Carefully and slightly pull two opposite sides in the opposite directions.
(b) Rotate the paper by 90 degrees in the counter-clockwise direction.
Arrows enamored of his Heart -- Forgot to rankle there And Venoms he mistook for Balms disdained to rankle there --