B3311331313231311331322331333132313233313231333131211113313331323133332211
>>
B331133131323131133132233133313231323331323133313121111331333132313333221
<<
B3311331313231311331322331333132313233313231333131211113313331323133332213
>>
B3311331313231311331322331333132313233313231333131211113313331323133332212
>>