B3311331313231311331322331333131133133313111333133313331323133313232123131
>>
B331133131323131133132233133313113313331311133313331333132313331323212313
<<
B3311331313231311331322331333131133133313111333133313331323133313232123133
>>
B3311331313231311331322331333131133133313111333133313331323133313232123132
>>