B3311331313231311331322331333132313331323133313233313331333133313311212231
>>
B331133131323131133132233133313231333132313331323331333133313331331121223
<<
B3311331313231311331322331333132313331323133313233313331333133313311212233
>>
B3311331313231311331322331333132313331323133313233313331333133313311212232
>>