a__f X cons mark X f g X a__g 0 s 0 a__g s X s s a__g mark X a__sel 0 cons X Y mark X a__sel s X cons Y Z a__sel mark X mark Z mark f X a__f mark X mark g X a__g mark X mark sel X1 X2 a__sel mark X1 mark X2 mark cons X1 X2 cons mark X1 X2 mark 0 0 mark s X s mark X a__f X f X a__g X g X a__sel X1 X2 sel X1 X2 a__f 1 cons 2 mark 1 f 1 g 1 a__g 1 0 0 s 1 a__sel 2 sel 2 INNERMOST ./TRS/TRCSR/inn/Ex4_Zan97_GM.trs