B3311331313231311331322331333132313231323331333131133131133132312312132311
>>
B331133131323131133132233133313231323132333133313113313113313231231213231
<<
B3311331313231311331322331333132313231323331333131133131133132312312132313
>>
B3311331313231311331322331333132313231323331333131133131133132312312132312
>>