Blocked

Move the red 'ff' block all the way to the right. Click on a block's end to move it in that direction.
    2 2 2 6
  3 b 7 7 6
8 3 b 9 f f
8     9 5 a
8 1 1   5 a
4 4 4   5  
Previous Next Level=
New Home

Success!