B3311331313231311331322331333132313231323331333131333133313232211233132212321
>>
B331133131323131133132233133313231323132333133313133313331323221123313221232
<<
B3311331313231311331322331333132313231323331333131333133313232211233132212323
>>
B3311331313231311331322331333132313231323331333131333133313232211233132212322
>>