B3311331313231311331322331333132313331322121133133313331333133313211232313321
>>
B331133131323131133132233133313231333132212113313331333133313331321123231332
<<
B3311331313231311331322331333132313331322121133133313331333133313211232313323
>>
B3311331313231311331322331333132313331322121133133313331333133313211232313322
>>