B3311331313231311331322331333131133133313111333133313331311331322311311
>>
B331133131323131133132233133313113313331311133313331333131133132231131
<<
B3311331313231311331322331333131133133313111333133313331311331322311313
>>
B3311331313231311331322331333131133133313111333133313331311331322311312
>>