B3311331313231311331322331333132323133313223313231323133313232223321
>>
B331133131323131133132233133313232313331322331323132313331323222332
<<
B3311331313231311331322331333132323133313223313231323133313232223323
>>
B3311331313231311331322331333132323133313223313231323133313232223322
>>