B3311331313231311331322331333132313231323331333131213331322123231
>>
B331133131323131133132233133313231323132333133313121333132212323
<<
B3311331313231311331322331333132313231323331333131213331322123233
>>
B3311331313231311331322331333132313231323331333131213331322123232
>>