Get Me Out Solutions: Level 74

Solution:
31 DD; 32 LU; 33 LL; 23 D; 12 RR; 21 U; 22 U; 31 U; 41 U; 42 U; 52 U; 53 LL; 43 D; 33 D; 22 RR; 11 D; 12 D; 13 LL; 23 U; 33 U; 42 RR; 32 DR; 22 D; 21 R; 31 U; 51 U; 53 LL; 43 D; 44 D; 33 D; 13 D; 12 RR; 21 U; 22 U; 32 U; 41 U; 51 U; 53 LL; 54 LL; 43 D; 32 RR; 41 U; 52 UL; 53 L;

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