Centipede Collisions

Problem Number: 
411
Type of Problem: 
Problem Category: 
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
10 R 9 11 23 U 8 11 17 U 5 15 15 U 5 15 8 D 9 23 13 U 6 23 6 R 9 8 9 L 13 17 0 U 12 13 11 L 5 20 9
Problem Id: 
411