B33113313132313113313223313331323132313233313331311331311331323311211231
>>
B3311331313231311331322331333132313231323331333131133131133132331121123
<<
B33113313132313113313223313331323132313233313331311331311331323311211233
>>
B33113313132313113313223313331323132313233313331311331311331323311211232
>>