active from X mark cons X from s X active head cons X XS mark X active 2nd cons X XS mark head XS active take 0 XS mark nil active take s N cons X XS mark cons X take N XS active sel 0 cons X XS mark X active sel s N cons X XS mark sel N XS mark from X active from mark X mark cons X1 X2 active cons mark X1 X2 mark s X active s mark X mark head X active head mark X mark 2nd X active 2nd mark X mark take X1 X2 active take 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 head mark X head X head active X head X 2nd mark X 2nd X 2nd active X 2nd X take mark X1 X2 take X1 X2 take X1 mark X2 take X1 X2 take active X1 X2 take X1 X2 take X1 active X2 take 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 head 1 2nd 1 take 2 0 0 nil 0 sel 2 INNERMOST ./TRS/TRCSR/inn/Ex7_BLR02_iGM.trs