B3311331313231311331322331333132313231323132313133313231333132313222211231
>>
B331133131323131133132233133313231323132313231313331323133313231322221123
<<
B3311331313231311331322331333132313231323132313133313231333132313222211233
>>
B3311331313231311331322331333132313231323132313133313231333132313222211232
>>