B3311331313231311331322331333132313133313113313232213231333132313231323221111
>>
B331133131323131133132233133313231313331311331323221323133313231323132322111
<<
B3311331313231311331322331333132313133313113313232213231333132313231323221113
>>
B3311331313231311331322331333132313133313113313232213231333132313231323221112
>>