Cheers Caracul for clearing that up.
Fred, yeah 11, 12 and 13 are currently whitetail, 14, 15, 16 and 17 are Easy, and now it seems 18 are TC.
Of the previous courses i think half of cp1 were TC, the rest and all subsequent courses up to 7 were Easy, 8 is TC, 9 and 10 Easy.
WBV