B3311331313231311331322331333132313331323331211113313231333131133133313113311
>>
B331133131323131133132233133313231333132333121111331323133313113313331311331
<<
B3311331313231311331322331333132313331323331211113313231333131133133313113313
>>
B3311331313231311331322331333132313331323331211113313231333131133133313113312
>>