B3311331313231311331322331333131133133313111333133313331323211232313231311311
>>
B331133131323131133132233133313113313331311133313331333132321123231323131131
<<
B3311331313231311331322331333131133133313111333133313331323211232313231311313
>>
B3311331313231311331322331333131133133313111333133313331323211232313231311312
>>