B3311331313231311331322331333132313231323132313133313231323133313123121212231
>>
B331133131323131133132233133313231323132313231313331323132313331312312121223
<<
B3311331313231311331322331333132313231323132313133313231323133313123121212233
>>
B3311331313231311331322331333132313231323132313133313231323133313123121212232
>>