B3311331313231311331322331333132313231323331333131121133132313311211113322221
>>
B331133131323131133132233133313231323132333133313112113313231331121111332222
<<
B3311331313231311331322331333132313231323331333131121133132313311211113322223
>>
B3311331313231311331322331333132313231323331333131121133132313311211113322222
>>