▽
└─▣ Attr value: class
  ╙─◈ ~= "foo"s
    ┠─▣ Attr value: class
    ┃ ╙─◈ ~= "bar"s
    ┃   ┠─▣ Attr value: class
    ┃   ┃ ╙─◈ ~= "baz"s
    ┃   ┃   ┖─◁ #2 [0,3,0] value 3
    ┃   ┖─◁ #1 [0,2,0] value 2
    ┖─◁ #0 [0,1,0] value 1