B33113313132313113313223313331323133313223313231333133313311212133313121211   >>    B3311331313231311331322331333132313331322331323133313331331121213331312121   <<    B33113313132313113313223313331323133313223313231333133313311212133313121213   >>      B33113313132313113313223313331323133313223313231333133313311212133313121212   >>