100
UDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDUUDUDU
RRRRRRRRRRRRRRRRRRRRLLRRRRRRRRLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLRRRRLR
30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 100 99 98 97 96 95 94 93 92 91
0
