B3311331313231311331322331333132313231323331333131133131133132233131232311
>>
B331133131323131133132233133313231323132333133313113313113313223313123231
<<
B3311331313231311331322331333132313231323331333131133131133132233131232313
>>
B3311331313231311331322331333132313231323331333131133131133132233131232312
>>