Karnak 1094 -1046
In these notations:
G = Green
P = Purple
V = Violet
Y = Yellow
R = Red
O = Orange
The EHT begins with GPVY showing
Swap PV for PO to get GPOY
Swap POY for VYRG to get GVYRG
Swap YRG for VYRG to get GVVYRG
Swap YRG again for VYRG to get GVVVYRG
Swap GV tfor VG to get VGVVYRG
Swap GV again for VG to get VVGVYRG
Swap VVG for ORG to get ORGVYRG
Swap GVYR out to be left with ORG
ORG swaps out to win the puzzle