B3311331313231311331322331333131133132333132333133313223313232313231311
>>
B331133131323131133132233133313113313233313233313331322331323231323131
<<
B3311331313231311331322331333131133132333132333133313223313232313231313
>>
B3311331313231311331322331333131133132333132333133313223313232313231312
>>