B33113313132313113313223313331311331333132311331333132322132313231322332231
>>
B3311331313231311331322331333131133133313231133133313232213231323132233223
<<
B33113313132313113313223313331311331333132311331333132322132313231322332233
>>
B33113313132313113313223313331311331333132311331333132322132313231322332232
>>