<s>
The	O
player	O
controls	O
one	O
arrow	O
and	O
has	O
to	O
move	O
some	O
pellets	O
(	O
which	O
resemble	O
pachinko	O
balls	O
)	O
from	O
the	O
upper	O
cells	O
(	O
with	O
a	O
four-second	O
delay	O
)	O
to	O
the	O
lower	O
ones	O
without	O
having	O
to	O
confront	O
an	O
evil	O
crab	B-Algorithm
.	O
</s>
<s>
The	O
crab	B-Algorithm
is	O
forced	O
to	O
leave	O
the	O
board	O
if	O
there	O
are	O
no	O
pellets	O
for	O
him	O
to	O
find	O
.	O
</s>
