B3311331313231311331322331333132313331323331211113313231333131133132313222211
>>
B331133131323131133132233133313231333132333121111331323133313113313231322221
<<
B3311331313231311331322331333132313331323331211113313231333131133132313222213
>>
B3311331313231311331322331333132313331323331211113313231333131133132313222212
>>