B33113313132313113313223313331323133313223313231333133313311231322331312231
>>
B3311331313231311331322331333132313331322331323133313331331123132233131223
<<
B33113313132313113313223313331323133313223313231333133313311231322331312233
>>
B33113313132313113313223313331323133313223313231333133313311231322331312232
>>