B3311331313231311331322331333132313233313231333131211113313231311331333121211
>>
B331133131323131133132233133313231323331323133313121111331323131133133312121
<<
B3311331313231311331322331333132313233313231333131211113313231311331333121213
>>
B3311331313231311331322331333132313233313231333131211113313231311331333121212
>>