a a x1 b b b x1 a x1 c d x1 b b x1 c c c x1 c c x1 d d d x1 e d x1 a b c d e x1 b x1 d d x1 e c x1 b a a e x1 c d d x1 a x1 a 1 b 1 c 1 d 1 e 1 FULL ./SRS/secret06/torpa/secr4.srs