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.

d l d l r u u l d r d d l d l l l l
u u r r u r r u r d l l l d l l d d
r r r r u u d d l l l l u u r r u
r r l l u l l d u r r d r r d d d
l l l u d r u d r r u r r d l l
u u u u r r d l u l d l l u l l d r r

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.

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