F p 1 r

F p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 r
F p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 r
F p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 rF p 1 r