( /ADAMS/hitch_3_sp.txt )
. , 1 x x x x x x 2 3 x x x x x x 4 5 6 7 8 x x x 9 x x x x x x 10 x x x x x x 11 12 13 14 15 16 17 18 19 20 21 x x x x x x 22 x x x 23 24 x x x 25 26 27 28 29 30 31 x x x 32 x x x 33 34 x x x x x x x x x x x x 35