B33113313132313113313223313331323133313223313231333133112111111211213121   >>    B3311331313231311331322331333132313331322331323133313311211111121121312   <<    B33113313132313113313223313331323133313223313231333133112111111211213123   >>      B33113313132313113313223313331323133313223313231333133112111111211213122   >>