B3311331313231311331322331333132313133313113313113313232233132313123232222231
>>
B331133131323131133132233133313231313331311331311331323223313231312323222223
<<
B3311331313231311331322331333132313133313113313113313232233132313123232222233
>>
B3311331313231311331322331333132313133313113313113313232233132313123232222232
>>