B3311331313231311331322331333132313231333133313311211113313331333133313221131
>>
B331133131323131133132233133313231323133313331331121111331333133313331322113
<<
B3311331313231311331322331333132313231333133313311211113313331333133313221133
>>
B3311331313231311331322331333132313231333133313311211113313331333133313221132
>>