(CommandList
  children: [
    (Pipeline
      children: [
        (C {(echo)} {(DQ (Hello))})
        (SimpleCommand
          words: [
            {($ VSub_Number "$1")}
            {($ VSub_Number "$2")}
            {($ VSub_Number "$3")}
            {(pipe)}
            {(pipe)}
            {(pipe)}
          ]
          redirects: [(Redir op_id:Redir_GreatAnd fd:2 arg_word:{(1)} spids:[49])]
        )
        (SimpleCommand
          words: [{(cat)} {(-)}]
          redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{($ VSub_Number "$4")} spids:[58])]
        )
      ]
      negated: False
    )
    (SimpleCommand
      words: [
        {($ VSub_Number "$1")}
        {($ VSub_Number "$2")}
        {($ VSub_Number "$3")}
        {($ VSub_Number "$6")}
        {(file)}
        {(file)}
      ]
      redirects: [
        (Redir op_id:Redir_Less fd:-1 arg_word:{($ VSub_Number "$4")} spids:[74])
        (Redir op_id:Redir_Great fd:-1 arg_word:{($ VSub_Number "$5") (.stdout)} spids:[78])
        (Redir op_id:Redir_Great fd:2 arg_word:{($ VSub_Number "$5") (.stderr)} spids:[83])
      ]
    )
    (SimpleCommand
      words: [
        {($ VSub_Number "$1")}
        {($ VSub_Number "$2")}
        {($ VSub_Number "$3")}
        {($ VSub_Number "$6")}
        {(file)}
        {(file)}
      ]
      redirects: [
        (Redir op_id:Redir_Less fd:-1 arg_word:{($ VSub_Number "$4")} spids:[100])
        (Redir
          op_id: Redir_DGreat
          fd: -1
          arg_word: {($ VSub_Number "$5") (.stdout)}
          spids: [104]
        )
        (Redir op_id:Redir_DGreat fd:2 arg_word:{($ VSub_Number "$5") (.stderr)} spids:[109])
      ]
    )
    (SimpleCommand
      words: [
        {($ VSub_Number "$1")}
        {($ VSub_Number "$2")}
        {($ VSub_Number "$3")}
        {($ VSub_Number "$6")}
        {(terminal)}
        {(terminal)}
      ]
      redirects: [
        (Redir op_id:Redir_Less fd:-1 arg_word:{($ VSub_Number "$4")} spids:[126])
        (Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[130])
        (Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[134])
      ]
    )
    (SimpleCommand
      words: [
        {($ VSub_Number "$1")}
        {($ VSub_Number "$2")}
        {($ VSub_Number "$3")}
        {($ VSub_Number "$6")}
        {(terminal)}
        {(pipe)}
      ]
      redirects: [
        (Redir op_id:Redir_Less fd:-1 arg_word:{($ VSub_Number "$4")} spids:[150])
        (Redir op_id:Redir_GreatAnd fd:2 arg_word:{(1)} spids:[154])
        (Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[157])
      ]
    )
    (SimpleCommand
      words: [
        {($ VSub_Number "$1")}
        {($ VSub_Number "$2")}
        {($ VSub_Number "$3")}
        {($ VSub_Number "$6")}
        {(terminal)}
        {(terminal)}
      ]
      redirects: [
        (Redir op_id:Redir_Less fd:-1 arg_word:{($ VSub_Number "$4")} spids:[173])
        (Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[177])
        (Redir op_id:Redir_GreatAnd fd:2 arg_word:{(1)} spids:[181])
      ]
    )
  ]
)