active f g X Y mark f X f g X Y mark f X1 X2 active f mark X1 X2 mark g X active g mark X f mark X1 X2 f X1 X2 f X1 mark X2 f X1 X2 f active X1 X2 f X1 X2 f X1 active X2 f X1 X2 g mark X g X g active X g X active 1 f 2 g 1 mark 1 INNERMOST ./TRS/TRCSR/inn/Ex4_4_Luc96b_iGM.trs