B3311331313231311331322331333132313331323331312111133132313331333133112111311
>>
B331133131323131133132233133313231333132333131211113313231333133313311211131
<<
B3311331313231311331322331333132313331323331312111133132313331333133112111313
>>
B3311331313231311331322331333132313331323331312111133132313331333133112111312
>>