B3311331313231311331322331333132313331121131211111211113313331333132322213321
>>
B331133131323131133132233133313231333112113121111121111331333133313232221332
<<
B3311331313231311331322331333132313331121131211111211113313331333132322213323
>>
B3311331313231311331322331333132313331121131211111211113313331333132322213322
>>