B33113313132313113313223313331323132313331333133112111133132333132211311
>>
B3311331313231311331322331333132313231333133313311211113313233313221131
<<
B33113313132313113313223313331323132313331333133112111133132333132211313
>>
B33113313132313113313223313331323132313331333133112111133132333132211312
>>