B3311331313231311331322331333132313231323331333131133132333131312321
>>
B331133131323131133132233133313231323132333133313113313233313131232
<<
B3311331313231311331322331333132313231323331333131133132333131312323
>>
B3311331313231311331322331333132313231323331333131133132333131312322
>>