Get Me Out Solutions: Level 54

Solution:
33 DR; 23 DD; 12 R; 32 UU; 21 R; 11 D; 12 L; 22 U; 42 U; 53 LL; 44 DL; 34 DD; 14 DD; 13 R; 33 UU; 34 LD; 44 U; 53 R; 43 D; 42 R; 21 DD; 11 DD; 12 L; 13 L; 14 L; 34 UU; 43 R; 41 RU; 51 U; 5 LL; 54 LL; 43 D; 32 RR; 31 RR; 41 U; 52 UL; 53 L;

Read this blog post for info about the notation...