B3311331313231311331322331333132313231323331333131211111211111211113322221
>>
B331133131323131133132233133313231323132333133313121111121111121111332222
<<
B3311331313231311331322331333132313231323331333131211111211111211113322223
>>
B3311331313231311331322331333132313231323331333131211111211111211113322222
>>