B3311331313231311331322331333132313331121131211111211113313331333131133123131
>>
B331133131323131133132233133313231333112113121111121111331333133313113312313
<<
B3311331313231311331322331333132313331121131211111211113313331333131133123133
>>
B3311331313231311331322331333132313331121131211111211113313331333131133123132
>>