B3311331313231311331322331333132313231323331333131231232313232212321
>>
B331133131323131133132233133313231323132333133313123123231323221232
<<
B3311331313231311331322331333132313231323331333131231232313232212323
>>
B3311331313231311331322331333132313231323331333131231232313232212322
>>