B3311331313231311331322331333132313231323132313133313231333132322133311211311
>>
B331133131323131133132233133313231323132313231313331323133313232213331121131
<<
B3311331313231311331322331333132313231323132313133313231333132322133311211313
>>
B3311331313231311331322331333132313231323132313133313231333132322133311211312
>>