Recreation of path DULLUULDDRU.
Legend:
L - link
O - guardian that moves (O)ppositely
F - guardian that (F)ollows
X - empty space
. - goal space

XX XX
X.O.X
XXXXX
 XLX
 XXX
  F
Step 1. moving D.

XX XX
X.O.X
XXXXX
 XXX
 XLX
  F
Step 2. moving U.

XX XX
X.X.X
XXOXX
 XLX
 XFX
  X
Step 3. moving L.

XX XX
X.X.X
XXXOX
 LXX
 FXX
  X
Step 4. moving L.

XX XX
X.X.X
XXXXO
 LXX
 FXX
  X
Step 5. moving U.

XX XX
X.X.X
XLXXO
 FXX
 XXX
  X
Step 6. moving U.

XX XX
XLX.X
XFXXO
 XXX
 XXX
  X
Step 7. moving L.

XX XX
L.X.X
FXXXO
 XXX
 XXX
  X
Step 8. moving D.

Link tries to move into space occupied by follower guardian and is squished.