B33113313132313113313223313331323133313223313231333132313311213231322221   >>    B3311331313231311331322331333132313331322331323133313231331121323132222   <<    B33113313132313113313223313331323133313223313231333132313311213231322223   >>      B33113313132313113313223313331323133313223313231333132313311213231322222   >>