B33113313132313113313223313331323133313223313231333133112212312321   >>    B3311331313231311331322331333132313331322331323133313311221231232   <<    B33113313132313113313223313331323133313223313231333133112212312323   >>      B33113313132313113313223313331323133313223313231333133112212312322   >>