b b d d b b x1 c c d d b b x1 b b a a c c x1 b b c c x1 a a d d x1 d d c c x1 b b b b b b x1 a a b b c c x1 d d c c x1 b b d d x1 d d c c x1 d d b b d d x1 d d a a c c x1 b b b b x1 b 1 d 1 c 1 a 1 FULL ./SRS/Trafo/dup12.srs