<s>
The	O
Bacon	B-Device
–	I-Device
Shor	I-Device
code	I-Device
is	O
a	O
Subsystem	O
error	B-Device
correcting	I-Device
code	I-Device
.	O
</s>
<s>
Given	O
the	O
stabilizer	B-Device
generators	O
of	O
Shor	O
's	O
code	O
:	O
,	O
4	O
stabilizers	O
can	O
be	O
removed	O
from	O
this	O
generator	O
by	O
recognizing	O
gauge	O
symmetries	O
in	O
the	O
code	O
to	O
get	O
:	O
.	O
</s>
<s>
A	O
gauge	O
group	O
can	O
be	O
created	O
from	O
the	O
stabilizer	B-Device
generators	O
:	O
.	O
</s>
<s>
Given	O
that	O
the	O
Bacon	B-Device
–	I-Device
Shor	I-Device
code	I-Device
is	O
defined	O
on	O
a	O
square	O
lattice	O
where	O
the	O
qubits	O
are	O
placed	O
on	O
the	O
vertices	O
;	O
laying	O
the	O
qubits	O
on	O
a	O
grid	O
in	O
a	O
way	O
that	O
corresponds	O
to	O
the	O
gauge	O
group	O
shows	O
how	O
only	O
2	O
qubit	O
nearest-neighbor	O
measurements	O
are	O
needed	O
to	O
infer	O
the	O
error	O
syndromes	O
.	O
</s>
