B3311331313231311331322331333132313231333133313311211113313221333132321311
>>
B331133131323131133132233133313231323133313331331121111331322133313232131
<<
B3311331313231311331322331333132313231333133313311211113313221333132321313
>>
B3311331313231311331322331333132313231333133313311211113313221333132321312
>>