#! /bin/sh
#
# This code is slightly convoluted.  This is because I want to avoid
#  depending on anything not built in to sh.  Most of this code is
#  things that must be built in to the shell, like $(( )) and for.  The
#  only other things are [ and echo, each of which is builtin on any
#  even vaguely modern sh I'm aware of, and even those I use in only
#  minimal least-common-denominator ways.
#
n=0
poly=11101101101110001000001100100000
while [ $n -lt 256 ]; do
	v=
	t=$n
	for i in 0 1 2 3 4 5 6 7; do
		v=$(($t % 2))$v
		t=$(($t / 2))
	done
	v=000000000000000000000000$v
	for i in 0 1 2 3 4 5 6 7; do
		case $v in
			*0)	v=0${v%0};;
			*1)	x1=0${v%1}
				x2=$poly
				v=
				while [ x$x1 != x ]; do
					case $x1 in
						0*)	case $x2 in
								0*)	xr=0;;
								*)	xr=1;;
							esac;;
						*)	case $x2 in
								0*)	xr=1;;
								*)	xr=0;;
							esac;;
					esac
					v=$v$xr
					x1=${x1#?}
					x2=${x2#?}
				done;;
		esac
	done
	x=0x
	for i in 0 1 2 3 4 5 6 7; do
		case $v in
			0000*)	x="$x"0;;
			0001*)	x="$x"1;;
			0010*)	x="$x"2;;
			0011*)	x="$x"3;;
			0100*)	x="$x"4;;
			0101*)	x="$x"5;;
			0110*)	x="$x"6;;
			0111*)	x="$x"7;;
			1000*)	x="$x"8;;
			1001*)	x="$x"9;;
			1010*)	x="$x"a;;
			1011*)	x="$x"b;;
			1100*)	x="$x"c;;
			1101*)	x="$x"d;;
			1110*)	x="$x"e;;
			1111*)	x="$x"f;;
		esac
		v=${v#????}
	done
	echo $x,
	n=$(($n+1))
done