B3311331313231311331322331333132313231323331333131133133313112211232213121
>>
B331133131323131133132233133313231323132333133313113313331311221123221312
<<
B3311331313231311331322331333132313231323331333131133133313112211232213123
>>
B3311331313231311331322331333132313231323331333131133133313112211232213122
>>