B3311331313231311331322331333132313231323331333131211113313231311331323312131
>>
B331133131323131133132233133313231323132333133313121111331323131133132331213
<<
B3311331313231311331322331333132313231323331333131211113313231311331323312133
>>
B3311331313231311331322331333132313231323331333131211113313231311331323312132
>>