B33113313132313113313223313331323132313331333133112111133133313231331121211
>>
B3311331313231311331322331333132313231333133313311211113313331323133112121
<<
B33113313132313113313223313331323132313331333133112111133133313231331121213
>>
B33113313132313113313223313331323132313331333133112111133133313231331121212
>>