B33113313132313113313223313331323133313223313231333133313123123221   >>    B3311331313231311331322331333132313331322331323133313331312312322   <<    B33113313132313113313223313331323133313223313231333133313123123223   >>      B33113313132313113313223313331323133313223313231333133313123123222   >>