B3311331313231311331322331333132313231333133313311221323331311331313232311
>>
B331133131323131133132233133313231323133313331331122132333131133131323231
<<
B3311331313231311331322331333132313231333133313311221323331311331313232313
>>
B3311331313231311331322331333132313231333133313311221323331311331313232312
>>