B3311331313231311331322331333132313233313231333131133132313133313231322221
>>
B331133131323131133132233133313231323331323133313113313231313331323132222
<<
B3311331313231311331322331333132313233313231333131133132313133313231322223
>>
B3311331313231311331322331333132313233313231333131133132313133313231322222
>>