B3311331313231311331322331333132313331323133313233313123231323131133132323231
>>
B331133131323131133132233133313231333132313331323331312323132313113313232323
<<
B3311331313231311331322331333132313331323133313233313123231323131133132323233
>>
B3311331313231311331322331333132313331323133313233313123231323131133132323232
>>