B33113313132313113313223313331323133313223313231333133313223313113121211
>>
B3311331313231311331322331333132313331322331323133313331322331311312121
<<
B33113313132313113313223313331323133313223313231333133313223313113121213
>>
B33113313132313113313223313331323133313223313231333133313223313113121212
>>