active from X mark cons X from s X active after 0 XS mark XS active after s N cons X XS mark after 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 after X1 X2 active after mark X1 mark X2 mark 0 active 0 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 after mark X1 X2 after X1 X2 after X1 mark X2 after X1 X2 after active X1 X2 after X1 X2 after X1 active X2 after X1 X2 active 1 from 1 mark 1 cons 2 s 1 after 2 0 0 INNERMOST ./TRS/TRCSR/inn/Ex4_7_56_Bor03_iGM.trs