B33113313132313113313223313331323133313223313231333133112223123231   >>    B3311331313231311331322331333132313331322331323133313311222312323   <<    B33113313132313113313223313331323133313223313231333133112223123233   >>      B33113313132313113313223313331323133313223313231333133112223123232   >>