Denote by $a_0, \hdots, a_{k_2}$ the edges of such a path.
Then the point:\linebreak
$(e,((u^0, \dots, u^{v^{k_1-1}},a_0^0, \dots, a_0^{|a_0|}, a_1^0, \dots, a_1^{|a_1|},\dots,
Denote by $a_0, \hdots, a_{k_2}$ the edges of such a path.
Then the point:\linebreak
$(e,((u^0, \dots, u^{v^{k_1-1}},a_0^0, \dots, a_0^{|a_0|}, a_1^0, \dots, a_1^{|a_1|},\dots,