53
DUUUUDUUUUUUUDUDDUUDDDUDUDUUUDDDDDDDDUDDUDDUUUUDUUUDD
LRLRRLRLRRRLLLRLLLLRLRLLRRLRLRLLLLLRLRRRLLLRRRRRLLLL
47 13 31 47 43 39 22 30 10 9 21 29 1 19 8 5 45 16 23 3 14 24 28 15 12 38 40 35 6 36 20 34 37 42 33 11 17 46 32 2 41 27 18 7 44 26 4 25
0
