<s>
The	O
Levmore	B-Algorithm
–	I-Algorithm
Cook	I-Algorithm
moving-knives	I-Algorithm
procedure	I-Algorithm
is	O
a	O
procedure	O
for	O
envy-free	O
cake-cutting	O
among	O
three	O
partners	O
.	O
</s>
<s>
Levmore	O
and	O
Cook	O
presented	O
a	O
generalization	B-Algorithm
of	O
their	O
procedure	O
for	O
4	O
partners	O
.	O
</s>
<s>
However	O
,	O
it	O
was	O
later	O
shown	O
that	O
this	O
generalization	B-Algorithm
does	O
not	O
work	O
in	O
all	O
cases	O
.	O
</s>
