D2122132313112331313133313223313113313132322331323221212111113233231   >>    D212213231311233131313331322331311331313232233132322121211111323323   <<    D2122132313112331313133313223313113313132322331323221212111113233233   >>      D2122132313112331313133313223313113313132322331323221212111113233232   >>