shimano - Orientation of asymmetrical brake pads on front vs. rear

I'm replacing some old cartridge pads that I can't find inserts for with one-piece Kool-stops. Both are asymmetrical types, but the front set of old shoes are explicitly designated for "tail-forward"

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Shimano J04C Disc Brake Pads and Springs - Metal Compound Finned Alloy and Stainless Steel Back Plate Box/25 pair. Shimano J04C Metal Disc Brake Pads

Shimano J04C Disc Brake Pads Springs - Metal Compound Finned Alloy Stainless Steel Back Plate Box/25 pair

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