How to delete specific IPv6 rule of UFW

eg. ufw allow 22/tcp

echo y | ufw delete $(ufw status numbered | grep 22/tcp.*v6 | cut -c 2,3)

or script:

delv6=$(ufw status numbered | grep 22/tcp.*v6 | cut -c 3)
if [ -n "$delv6" ]; then
echo y | ufw delete $delv6
fi
unset delv6