B33113313132313113313223313331311331333132311331333133312111121
>>
B3311331313231311331322331333131133133313231133133313331211112
<<
B33113313132313113313223313331311331333132311331333133312111123
>>
B33113313132313113313223313331311331333132311331333133312111122
>>