B3311331313231311331322331333132313231333133313311211111333132313311232323311
>>
B331133131323131133132233133313231323133313331331121111133313231331123232331
<<
B3311331313231311331322331333132313231333133313311211111333132313311232323313
>>
B3311331313231311331322331333132313231333133313311211111333132313311232323312
>>