R c 1 6

R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6R c 1 6