B3311331313231311331322331333132313231333133313311211113313231333132232232321
>>
B331133131323131133132233133313231323133313331331121111331323133313223223232
<<
B3311331313231311331322331333132313231333133313311211113313231333132232232323
>>
B3311331313231311331322331333132313231333133313311211113313231333132232232322
>>