URL stands for Uniform Resource Locator
L,L,L,D,R,U,R,R,D,D,D,L,D,D,L,L,U,L,U,R,L,L,L,D,R,U,R,R,D,D,R,R,U,U,R,U,U,U, L,L,L,D,D,D,L,L,L,U,U,R,R,L,L,D,D,R,R,R,U,U,R,U,R,R,D,D,D,L,D,D,L,L,U,U,L,L,L, U,U,R,R,R,R,R,U,R,D,L,L,L,L,L,L,D,D,R,R,R,D,D,R,R,U,U,L,L,L,L,D,L,U,D,R,R.
R,u,u,l,d,l,l,u,l,l,d,l,l,u,r,u,u,r,u,r,r,r,r,u,r,d,l,d,d,d,r,d,d,l,u,l,l,u,u,u,d,d,l,l,d,l,l, u,r,u,u,r,u,r,r,r,r,l,l,d,d,d,d,r,r,u,u,u,u,d,d,d,d,l,l,u,r,d,r,u,u,u,d,d,l,l,u,u,u,l,l,d,r, l,l,d,d,r,r,r,r,d,r,u,u,d,l,l,u,u,l,u,r.
This probably isn't the fastest solution to Soukoban level 51, but it works. L R R D L R R L L D L L R D L U R R R D L L R R R R L L U U R D L D R U R L L L U U L D R D L R R U U U L U R U L U R U L U L L R R D D D D D L R U L R U U L U L R R U L R D D D D L U U R U L D D D D R R R D D L D R L U U U U R L U R L U U R R L U R L D L L U R R L D D D R U L U R Hope I typed it right. Mieren Raje
U- Up D- down L- Left R- Right R,U,U,R,U,R,D,D,U,L,L,D,D,L,L,L,L,U,U,R,R,R,R,R,U,R,D,L,L,L,L,D,U,L,L,D,D,R,R,R,R,U,U,L,L,L, U,U,R,R,D,U,L,L,D,D,R,D,D,R,R,U,U,R,U,L,D,D,D,L,L,U,U,R,R,U,R,R,D,L,U,L,D,D,U,L,L,L,U,U,R,R, D,U,L,L,D,D,R,R,U,R,D.
d l d l r u u l d r d d l d l l l lu u r r u r r u r d l l l d l l d dr r r r u u d d l l l l u u r r ur r l l u l l d u r r d r r d d dl l l u d r u d r r u r r d l lu u u u r r d l u l d l l u l l d r r
l u u l u r r d l d d r u u l u u u l d d u u l l d d r l u r r u r d d d r d d l u u d d r r r u u l l d d r u r u l
d d r r u R l d d r U l u u u R u r r d L d L r u u l D r r r d d d L L L d l U l l u u u R R R u r D CAPITAL letters are pushes, small are simple moves
Level 21(R=right, L=left, D=down, U=up) R,D,L,U,L,D,R,U,R2,U,R3,U,L,D3,U3,R,D,L3,D,L2,D,L,U,R,D,R,U,L,D,R,U,L,D,R,D2, R,D2,R3,U2,D2,L2,U,L,D, R3,U4,R3
Level 12 (*this crosses a hole, which ordinarily loses, but it is the exit) L, D, R, U, R, U, R, U, R, U, L, D, R, U, R3, D2, L, D, R, U, L, D, R, U, L, D, L, U, R, U3, L3, (X) R3, D3, L, D, R, U2, R, D, L, D, R, U3, R, U, (X) D, L, D3, L, U, R, U2, L3, U, L, D, R2, U, L, D3, L
God mode- L R L L L R U D U U U D D D L R L R D D U L D R U U U
l , d , d , u , u , r , r , r , d , l , d , l , d , l , r , u , r , u , u , l , d , d , u , l , d
Level 29 L,D,R,U,R2,D,L,U,R,D2,R2,L2,U2,L,D,R,U,L,D,L,U,L,U 2,L2,R2,D2,R,D,R,U,R,D,L,U, R,U2,R2,L2,D6,R2,L2,U4,L,D,L,U,L,D,R,U,R5,L5,D,R,U,L2,D,R,U,L5,R5,U,L,D,L ,D3,L3,U,R,D,L2,U,R,D2,L,U,R,D,R,U,L