@track_production<EOL><INDENT>def p_navigation_chain_2(self, p):<DEDENT>
p[<NUM_LIT:0>] = p[<NUM_LIT:2>]<EOL>p[<NUM_LIT:0>].children.insert(<NUM_LIT:0>, p[<NUM_LIT:1>])<EOL>
navigation_chain : navigation_step navigation_chain