active c mark f g c active f g X mark g X proper c ok c proper f X f proper X proper g X g proper X f ok X ok f X g ok X ok g X top mark X top proper X top ok X top active X active 1 c 0 mark 1 f 1 g 1 proper 1 ok 1 top 1 FULL ./TRS/TRCSR/Ex6_GM04_C.trs