B33113313132313113313223313331323132313331333133112111133133313232112131121
>>
B3311331313231311331322331333132313231333133313311211113313331323211213112
<<
B33113313132313113313223313331323132313331333133112111133133313232112131123
>>
B33113313132313113313223313331323132313331333133112111133133313232112131122
>>