With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Each
side
has
a
``
palace
''
that
is
3
lines
by
3
lines
(
9
positions
)
in
the
centre
of
their
side
of
the
board
against
the
back
edge
.
Each:O
side:O
has:O
a:O
``:O
palace:O
'':O
that:O
is:O
3:O
lines:O
by:O
3:O
lines:O
(:O
9:O
positions:O
):O
in:O
the:O
centre:O
of:O
their:O
side:O
of:O
the:O
board:O
against:O
the:O
back:O
edge:O
.:O