https://alpha.twizzle.net/edit/?setup-alg=F%27+D2+L2+B%27+L2+F2+U2+L2+F+L2+R%27+B2+F%27+D+U+B%27+L%27+U2+L+D%27&alg=x%27+%2F%2F+Inspection%0AU+L+%28U+D%29+R%27+U%27+x%27+D+%2F%2F+Cross%0AU+L%27+U%27+L+U%27+R%27+U%27+R+%2F%2F+First+Pair%0AU2+L%27+U2+L+U%27+L+F%27+L%27+F+%2F%2FSecond+Pair%0Ay%27+U%...