FIX : Flip direction of TPC hit depth check
FIX : Flip direction of TPC hit depth check

The direction was in reverse:

  s |      depth 4
  e |      depth 3 <- we are at depth 3, we should accept 3, 4 from the cache
  a |      depth 2 <- we are at depth 2, we should accept 2, 3, 4 etc.
  r |      depth 1
  c v      depth 0
  h

This was correct before, then I got confused and flipped the direction.

phaul/chess