B3311331313231311331322331333131323132313133313331333132313233123231
>>
B331133131323131133132233133313132313231313331333133313231323312323
<<
B3311331313231311331322331333131323132313133313331333132313233123233
>>
B3311331313231311331322331333131323132313133313331333132313233123232
>>