B3311331313231311331322331333132313231333133313311211113313232223132313111
>>
B331133131323131133132233133313231323133313331331121111331323222313231311
<<
B3311331313231311331322331333132313231333133313311211113313232223132313113
>>
B3311331313231311331322331333132313231333133313311211113313232223132313112
>>