B3311331313231311331322331333132313331323133313233313123231323131133221
>>
B331133131323131133132233133313231333132313331323331312323132313113322
<<
B3311331313231311331322331333132313331323133313233313123231323131133223
>>
B3311331313231311331322331333132313331323133313233313123231323131133222
>>