Block diagram demos

block-beta
columns 1
  db(("DB"))
  blockArrowId6<["   "]>(down)
  block:ID
    A
    B["A wide one in the middle"]
    C
  end
  space
  D
  ID --> D
  C --> D
  style B fill:#f9F,stroke:#333,stroke-width:4px
    

block-beta
    A1["square"]
    B1("rounded")
    C1(("circle"))
    A2>"rect_left_inv_arrow"]
    B2{"diamond"}
    C2{{"hexagon"}}
    

block-beta
    A1(["stadium"])
    A2[["subroutine"]]
    B1[("cylinder")]
    C1>"surprise"]
    A3[/"lean right"/]
    B2[\"lean left"\]
    C2[/"trapezoid"\]
    D2[\"trapezoid"/]
    

block-beta
  block:e:4
    columns 2
      f
      g
  end

    

block-beta
  block:e:4
    columns 2
      f
      g
      h
  end

    

block-beta
  columns 3
  a:3
  block:e:3
      f
      g
  end
  h
  i
  j

    

block-beta
  columns 4
  a b c d
  block:e:4
    columns 2
      f
      g
      h
  end
  i:4

    

flowchart LR
  X-- "a label" -->z
    

block-beta
columns 5
   A space B
   A --x B
    

block-beta
columns 3
  a["A wide one"] b:2 c:2 d
    

block-beta
columns 3
  a b c
  e:3
  f g h
    

block-beta

  A1:3
  A2:1
  A3