B3311331313231311331322331333132313231333133313311211111333133313332321
>>
B331133131323131133132233133313231323133313331331121111133313331333232
<<
B3311331313231311331322331333132313231333133313311211111333133313332323
>>
B3311331313231311331322331333132313231333133313311211111333133313332322
>>