B3311331313231311331322331333131133132333132333133313223313231323131232311
>>
B331133131323131133132233133313113313233313233313331322331323132313123231
<<
B3311331313231311331322331333131133132333132333133313223313231323131232313
>>
B3311331313231311331322331333131133132333132333133313223313231323131232312
>>