a b x1 b c a x1 b c x1 c b b x1 a c x1 c a b x1 a a x1 a d d d x1 d a x1 d d c x1 a d d c x1 a a a d x1 e e f f x1 f f f e e x1 e x1 a x1 b d x1 d d x1 a 1 b 1 c 1 d 1 e 1 f 1 FULL ./SRS/secret05/aprove5.srs