B33113313132313113313223313331311331313231313331323132313331323132313232211231
>>
B3311331313231311331322331333131133131323131333132313231333132313231323221123
<<
B33113313132313113313223313331311331313231313331323132313331323132313232211233
>>
B33113313132313113313223313331311331313231313331323132313331323132313232211232
>>