B3311331313231311331322331333131133133313111333133313331313223311
>>
B331133131323131133132233133313113313331311133313331333131322331
<<
B3311331313231311331322331333131133133313111333133313331313223313
>>
B3311331313231311331322331333131133133313111333133313331313223312
>>