B3311331313231311331322331333132313231323331333131333132313233313113312321
>>
B331133131323131133132233133313231323132333133313133313231323331311331232
<<
B3311331313231311331322331333132313231323331333131333132313233313113312323
>>
B3311331313231311331322331333132313231323331333131333132313233313113312322
>>