B3311331313231311331322331333131133133313111333133313331323133313232233331
>>
B331133131323131133132233133313113313331311133313331333132313331323223333
<<
B3311331313231311331322331333131133133313111333133313331323133313232233333
>>
B3311331313231311331322331333131133133313111333133313331323133313232233332
>>