slow

for (i in 0 1 2 3 4 5 6 7 8 9) {
	x=()
	y=()
	for (j in 0 1 2 3 4 5 6 7 8 9)
		for (k in 0 1 2 3 4 5 6 7 8 9)
			for (l in 0 1 2 3 4 5 6 7 8 9) {
				x = $x^.
				y = ($y $x)
			}
	echo $#y
}