B3311331313231311331322331333132313331323133313233313331322331333132323312131
>>
B331133131323131133132233133313231333132313331323331333132233133313232331213
<<
B3311331313231311331322331333132313331323133313233313331322331333132323312133
>>
B3311331313231311331322331333132313331323133313233313331322331333132323312132
>>