52
DDDUUUDUUDDDDUDUDUDDDDUDDUDDUDUDDDUDDDDDUDDUDUUUUDDU
LRRRRLLLLLRRRRLLRLRRRLRLLRLRLRRLRLRLRRLRRLLLRLLLLLL
51 13 42 43 2 50 46 35 6 15 44 37 7 4 28 11 41 14 30 17 49 32 8 18 36 21 10 48 38 24 45 9 19 29 20 39 12 51 47 33 3 34 31 23 25 22 1 27 26 40 5 16
0
