B3311331313231311331322331333132313231333133313311232313331322232132313233311
>>
B331133131323131133132233133313231323133313331331123231333132223213231323331
<<
B3311331313231311331322331333132313231333133313311232313331322232132313233313
>>
B3311331313231311331322331333132313231333133313311232313331322232132313233312
>>