84
DUDDDUDUUUDDDUUUDDUUUDUUDDDDDDUUUUDDUDDDDUUUUDUUUDUUUUDUDUDUDDUDDUUUDDDUDDUUUUUUDUDU
RLLLLRRRLRRLRRLLRRLLLLLRRLRLRLLLLLLLRRLLRRLLLLRRRRLRLLLRRLRLLLLRLLRLLRLRLLRRLLLRLLL
23 13 22 14 11 12 20 15 4 9 18 17 2 19 1 8 5 10 16 3 7 23 21 6
0
