D2122132313112331313133313223313113313132322331323221212111133131232313221   >>    D212213231311233131313331322331311331313232233132322121211113313123231322   <<    D2122132313112331313133313223313113313132322331323221212111133131232313223   >>      D2122132313112331313133313223313113313132322331323221212111133131232313222   >>