I usually put shadow layer on "linear burn" but this time I messed something up. Hovever the real thing I should do is to take darker color from base color and then cover it up. In the end I came to a conclusion: I'm too lazy for that.
Using a method of changing a letter to it's numbered position in the alphabet, I have come to the conclusion that this rule shall be called...Rule 1,225,151; or if you're not the mathematical type: Rule Lyra
There are far more than 100 rules. I refer you to [link] Going by their scheme however, this would probably be a corralary to rule 34b. 34bi perhaps? (although personally I consider most of those to be ridiculous. back in my day we only had 63 of them. Here are the ones I consider correct [link])