B3311331313231311331322331333132313233313231333131133132322331312131111
>>
B331133131323131133132233133313231323331323133313113313232233131213111
<<
B3311331313231311331322331333132313233313231333131133132322331312131113
>>
B3311331313231311331322331333132313233313231333131133132322331312131112
>>