B33113313132313113313223313331323133313223313231333132313311211113313223222311   >>    B3311331313231311331322331333132313331322331323133313231331121111331322322231   <<    B33113313132313113313223313331323133313223313231333132313311211113313223222313   >>      B33113313132313113313223313331323133313223313231333132313311211113313223222312   >>