B3311331313231311331322331333132313233313231333131133133313121133221
>>
B331133131323131133132233133313231323331323133313113313331312113322
<<
B3311331313231311331322331333132313233313231333131133133313121133223
>>
B3311331313231311331322331333132313233313231333131133133313121133222
>>