Stoneworks - Level 4                 
--------------------

    [U]
       \
        [ ]                             [L4]
         |                               |
        [ ]                             [ ]
           \                           /
            [ ]                     [ ]
               \                       \
                [ ]-----[ ]             [ ]
               /         |             /
            [ ]          |          [ ]
           /            [ ]          |
        [ ]              |          [ ]
       /   \             |         /
[ ]-[ ]     [ ]         [ ]     [ ]
 |           |         /   \   /
[ ]         [ ]     [ ]     [ ]
   \           \   /
    [T4]        [ ]
       \
        [ ]
         |
        [D]

L4 = Pull Lever to disarm Stone Trap (T4)
 D = Stairs Down
 U = Stairs Up