B3311331313231311331322331333132313331322121133133313331333133313123123231321
>>
B331133131323131133132233133313231333132212113313331333133313331312312323132
<<
B3311331313231311331322331333132313331322121133133313331333133313123123231323
>>
B3311331313231311331322331333132313331322121133133313331333133313123123231322
>>