B3311331313231311331322331333132313231333133313311232313331311331333132331311
>>
B331133131323131133132233133313231323133313331331123231333131133133313233131
<<
B3311331313231311331322331333132313231333133313311232313331311331333132331313
>>
B3311331313231311331322331333132313231333133313311232313331311331333132331312
>>