let \2 : ""
let \3 : {}
let \4 : { "0" }
"" : "\set(0 0 0)"
"" : "\get(0 0)"
"" : "\set(1 0 0)"
"" : "\get(1 0)"
"" : "\set(2 0 0)"
"" : "\get(2 0)"
"" : "\set(3 0 0)"
"" : "\get(3 0)"
"" : "\set(4 1 0)"
"" : "\get(4 1)"
"" : "\set("" 0 0)"
"" : "\get("" 0)"
"" : "\set("a" 0 0)"
"" : "\get("a" 0)"
"" : "\set("aa" 0 0)"
"" : "\get("aa" 0)"
"" : "\set(1 "" 0)"
"" : "\get(1 "")"
"" : "\set(1 "aa" 0)"
"" : "\get(1 "aa")"