B33113313132313113313223313331323133313223313231333133112212323331   >>    B3311331313231311331322331333132313331322331323133313311221232333   <<    B33113313132313113313223313331323133313223313231333133112212323333   >>      B33113313132313113313223313331323133313223313231333133112212323332   >>