RRRRDDRRDRRRDRRRRRLLLDDDLDDLLLLLLLLRRRRRRRRDDDLLDLDRDDLLLDDDDDLLLLLRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLUULLLLLLLLLLLLUUUUDLULDDDRUDDRRRRUUUURRUUUURRUURRRRRRRRRRRLUUUULLUUULLLLLLLLLLLLLLLRDDRRRRRRRRRRRRRRRRRRURRRRRRRRRRRRDRRRRRRRRRRRRRR