Its quite simple. The "$" and ";" are used in groups of three to signify other characters. "$$$" = "[" "$$;" = "]" "$;$" = "(" "$;;" = ")"

Its quite simple. The "$" and ";" are used in groups of three to signify other characters. "$$$" = "[" "$$;" = "]" "$;$" = "(" "$;;" = ")" ";$$" = "+" ";$;" = "!"