B3311331313231311331322331333132313133313113313232233131333132313231322123131
>>
B331133131323131133132233133313231313331311331323223313133313231323132212313
<<
B3311331313231311331322331333132313133313113313232233131333132313231322123133
>>
B3311331313231311331322331333132313133313113313232233131333132313231322123132
>>