B3311331313231311331322331333132313331121131211111211113313331333133112131311
>>
B331133131323131133132233133313231333112113121111121111331333133313311213131
<<
B3311331313231311331322331333132313331121131211111211113313331333133112131313
>>
B3311331313231311331322331333132313331121131211111211113313331333133112131312
>>