B3311331313231311331322331333131133133313231133133313331311331323132323312131
>>
B331133131323131133132233133313113313331323113313331333131133132313232331213
<<
B3311331313231311331322331333131133133313231133133313331311331323132323312133
>>
B3311331313231311331322331333131133133313231133133313331311331323132323312132
>>