active f a b X mark f X X X active c mark a active c mark b mark f X1 X2 X3 active f X1 X2 mark X3 mark a active a mark b active b mark c active c f mark X1 X2 X3 f X1 X2 X3 f X1 mark X2 X3 f X1 X2 X3 f X1 X2 mark X3 f X1 X2 X3 f active X1 X2 X3 f X1 X2 X3 f X1 active X2 X3 f X1 X2 X3 f X1 X2 active X3 f X1 X2 X3 active 1 f 3 a 0 b 0 mark 1 c 0 INNERMOST ./TRS/TRCSR/inn/Ex1_GM99_iGM.trs