B3311331313231311331322331333131133132313133313232213231333132313231323321
>>
B331133131323131133132233133313113313231313331323221323133313231323132332
<<
B3311331313231311331322331333131133132313133313232213231333132313231323323
>>
B3311331313231311331322331333131133132313133313232213231333132313231323322
>>