B3311331313231311331322331333132313231323331333131133133313221211113332321
>>
B331133131323131133132233133313231323132333133313113313331322121111333232
<<
B3311331313231311331322331333132313231323331333131133133313221211113332323
>>
B3311331313231311331322331333132313231323331333131133133313221211113332322
>>