B33113313132313113313223313331323133313223313231333133112111133131123311121   >>    B3311331313231311331322331333132313331322331323133313311211113313112331112   <<    B33113313132313113313223313331323133313223313231333133112111133131123311123   >>      B33113313132313113313223313331323133313223313231333133112111133131123311122   >>