[Graphs generated by this script: setBorder(60,30,60,30);initPicture(-10,10,2.5,7.5); fontsize=14;fontstyle='none';marker=null;line([-10,2.5],[10,2.5]);line([-10,2.5],[10,5]);line([-10,2.5],[10,7.5]);line([-10,5],[10,2.5]);line([-10,5],[10,5]);line([-10,5],[10,7.5]);line([-10,7.5],[10,2.5]);line([-10,7.5],[10,5]);line([-10,7.5],[10,7.5]);fontbackground='white';fontfill='blue';text([-10,2.5],'A','belowleft');dot([-10,2.5]);fontfill='blue';text([-10,5],'B','belowleft');dot([-10,5]);fontfill='blue';text([-10,7.5],'C','aboveleft');dot([-10,7.5]);fontfill='blue';text([10,2.5],'D','belowright');dot([10,2.5]);fontfill='blue';text([10,5],'E','belowright');dot([10,5]);fontfill='blue';text([10,7.5],'F','aboveright');dot([10,7.5]);]

Find any Hamiltonian circuit on the graph above. Give your answer as a list of vertices, starting and ending at the same vertex. Example: ABCA