B3311331313231311331322331333132313331121131211111211113313331333133323123311
>>
B331133131323131133132233133313231333112113121111121111331333133313332312331
<<
B3311331313231311331322331333132313331121131211111211113313331333133323123313
>>
B3311331313231311331322331333132313331121131211111211113313331333133323123312
>>