B3311331313231311331322331333132313231333133313311211113313331323331123211
>>
B331133131323131133132233133313231323133313331331121111331333132333112321
<<
B3311331313231311331322331333132313231333133313311211113313331323331123213
>>
B3311331313231311331322331333132313231333133313311211113313331323331123212
>>