B3311331313231311331322331333131133132333132333133313223313231323223331211311
>>
B331133131323131133132233133313113313233313233313331322331323132322333121131
<<
B3311331313231311331322331333131133132333132333133313223313231323223331211313
>>
B3311331313231311331322331333131133132333132333133313223313231323223331211312
>>