a__from X cons mark X from s X a__after 0 XS mark XS a__after s N cons X XS a__after mark N mark XS mark from X a__from mark X mark after X1 X2 a__after mark X1 mark X2 mark cons X1 X2 cons mark X1 X2 mark s X s mark X mark 0 0 a__from X from X a__after X1 X2 after X1 X2 a__from 1 cons 2 mark 1 from 1 s 1 a__after 2 0 0 after 2 INNERMOST ./TRS/TRCSR/inn/Ex4_7_56_Bor03_GM.trs