active from X mark cons X from s X active first 0 Z mark nil active first s X cons Y Z mark cons Y first X Z active sel 0 cons X Z mark X active sel s X cons Y Z mark sel X Z mark from X active from mark X mark cons X1 X2 active cons mark X1 X2 mark s X active s mark X mark first X1 X2 active first mark X1 mark X2 mark 0 active 0 mark nil active nil mark sel X1 X2 active sel mark X1 mark X2 from mark X from X from active X from X cons mark X1 X2 cons X1 X2 cons X1 mark X2 cons X1 X2 cons active X1 X2 cons X1 X2 cons X1 active X2 cons X1 X2 s mark X s X s active X s X first mark X1 X2 first X1 X2 first X1 mark X2 first X1 X2 first active X1 X2 first X1 X2 first X1 active X2 first X1 X2 sel mark X1 X2 sel X1 X2 sel X1 mark X2 sel X1 X2 sel active X1 X2 sel X1 X2 sel X1 active X2 sel X1 X2 active 1 from 1 mark 1 cons 2 s 1 first 2 0 0 nil 0 sel 2 INNERMOST ./TRS/TRCSR/inn/Ex1_Luc02b_iGM.trs