correct rear stripe for a 1972 340 demon??

The 71 tail panel stripe had 340 under the Demon symbol and 72 had 340 to the right of the Demon symbol. The Symbols were slightly different and the 340 font was different too.

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OK. Got it. But here is my concern. The Demon name on the 72 was placed on top of the black vinyl tab which allows it to sit completely on top of the underneath black stripe. But the 340 spans both the upper and lower stripes as well as the center section which is directly on the painted surface. Am I overthinking this, or will the fact that the 340 label goes from black stripe to paint and then back to black stripe create a slight void where stripe meets paint for water to get into causing 340 decal to fail?? Since this was the last year of the Demon, I am thinking failures would not get corrected in the next year, because there was no next year?? Anybody had any issues with this?? If I place my decals as the 71 shows, both the name and 340 will be 100% on the underneath black vinyl. Isn't that a better safer build??