B3311331313231311331322331333132313231323331333131123313231323331313331312311
>>
B331133131323131133132233133313231323132333133313112331323132333131333131231
<<
B3311331313231311331322331333132313231323331333131123313231323331313331312313
>>
B3311331313231311331322331333132313231323331333131123313231323331313331312312
>>