B3311331313231311331322331333131133133313111333133313231322332311
>>
B331133131323131133132233133313113313331311133313331323132233231
<<
B3311331313231311331322331333131133133313111333133313231322332313
>>
B3311331313231311331322331333131133133313111333133313231322332312
>>