B33113313132313113313223313331323133313232322331333133313112123221   >>    B3311331313231311331322331333132313331323232233133313331311212322   <<    B33113313132313113313223313331323133313232322331333133313112123223   >>      B33113313132313113313223313331323133313232322331333133313112123222   >>