@Tbl
    rule { yes }
    indent { ctr }
    indentvertical { ctr }
    apaint { lightgrey }
    aformat { @Cell @B A | @Cell @B B | @Cell @B C | @Cell @B D }
    bformat { @Cell @B A | @Cell @B B | @Cell @B C | @Cell @B D }
{
@Rowa A { } B { 1-2 } C { 3-5 } D { 6+ }
#@Rowb A { @Sym emptyset } B {} C {} D {}
@Rowb A { @B color + @B sym} B { @Disrupted } C { @Disrupted} D { @Disrupted - @Depth }
@Rowb A { @B color } B { @Disruptedif @I {if no Depth} } C { @Disrupted } D { @Disrupted }
@Rowb A { @B sym } B { @Sym emptyset } C { @Disruptedif @I {if no Depth} } D { @Disrupted }
}