B3311331313231311331322331333132313231333133313311211113313331311222312321
>>
B331133131323131133132233133313231323133313331331121111331333131122231232
<<
B3311331313231311331322331333132313231333133313311211113313331311222312323
>>
B3311331313231311331322331333132313231333133313311211113313331311222312322
>>