return numeric(1)/numeric(2*COLOR_THREE)*color_delta8(next_to_last_index,last_index)
% color_trace_of_one_representation_label(v1)
+numeric(1)/numeric(2)*color_h(next_to_last_index,last_index,summation_index)
return numeric(1)/numeric(2*COLOR_THREE)*color_delta8(next_to_last_index,last_index)
% color_trace_of_one_representation_label(v1)
+numeric(1)/numeric(2)*color_h(next_to_last_index,last_index,summation_index)