B3311331313231311331322331333132313331322331323133313331333132313332321333321
>>
B331133131323131133132233133313231333132233132313331333133313231333232133332
<<
B3311331313231311331322331333132313331322331323133313331333132313332321333323
>>
B3311331313231311331322331333132313331322331323133313331333132313332321333322
>>