B3311331313231311331322331333132313231323331333131333133313133312321
>>
B331133131323131133132233133313231323132333133313133313331313331232
<<
B3311331313231311331322331333132313231323331333131333133313133312323
>>
B3311331313231311331322331333132313231323331333131333133313133312322
>>