B33113313132313113313223313331323133313223313231333133313233331211111221322321   >>    B3311331313231311331322331333132313331322331323133313331323333121111122132232   <<    B33113313132313113313223313331323133313223313231333133313233331211111221322323   >>      B33113313132313113313223313331323133313223313231333133313233331211111221322322   >>