B3311331313231311331322331333132313331322331323133313331331123233313231211311
>>
B331133131323131133132233133313231333132233132313331333133112323331323121131
<<
B3311331313231311331322331333132313331322331323133313331331123233313231211313
>>
B3311331313231311331322331333132313331322331323133313331331123233313231211312
>>