|?? MM MM MM MM MM MM MM|
    |MM    SS       SS    MM|
    |MM SS    MM   LSS    MM|
    |MM             MM    MM|
    |MM SSL      SDSSS    MM|
    |MM       SS          MM|
    |?? MM MM#         MM ??|
    |      ?? MM MM MM      |

Royal puzzle: Initial configuration

SS = Sandstone wall
MM = Marble wall
D  = Depression
L  = Ladder
#  = Steel door

Walkthrough:
push east wall
s
s
w
push south wall
e
n
n
n
w
push south wall
e
s
s
e
push south wall
n
n
e
push south wall
get card
push south wall
e
e
n
push west wall
push west wall
push west wall
push west wall
e
e
n
n
n
push east wall
w
s
s
w
w
n
n
push east wall
push east wall
s
s
s
e
e
n
n
push west wall
e
s
s
w
w
w
w
n
n
n
e
e
push south wall
push south wall
n
e
e
s
s
w
push west wall
push west wall
s
w
push north wall
push north wall
push north wall
w
n
u