B3311331313231311331322331333132313331121131211111211113313331323132312312321
>>
B331133131323131133132233133313231333112113121111121111331333132313231231232
<<
B3311331313231311331322331333132313331121131211111211113313331323132312312323
>>
B3311331313231311331322331333132313331121131211111211113313331323132312312322
>>