aoc/2023/20/input

%pr -> ql
&jg -> mg
&mg -> rx
%mq -> gz, nt
%db -> ff, dz
%dx -> zs, bm
%bd -> nt, lj
%qj -> hj
%xs -> zs, dx
%xd -> nt
%gb -> fx, th
&nt -> ds, hj, ht, rh, qj
%ht -> nt, vp
&rh -> mg
%sq -> th, cd
%tt -> pq
%dh -> sh
%rz -> zc
%cx -> xr, nt
%zq -> tt, th
&jm -> mg
%lj -> nt, cx
%mp -> ff, bq
%dz -> ff, gd
%fz -> bk, th
%hj -> mq
broadcaster -> gb, ht, vk, zz
%zc -> dh
%pj -> xs
%bn -> fz
%mr -> bf
%mj -> th, sq
%gg -> pj, zs
%sh -> mr, zs
%bf -> zs, gg
&hf -> mg
%bm -> zs
%bk -> zg
%pq -> th, mj
%xf -> ff, db
&th -> bn, gb, tt, hf, bk
%fx -> th, bn
&ff -> vd, bq, pr, vk, ql, jm
%xr -> nt, xd
%bq -> pr
%zz -> rz, zs
%gz -> nt, ds
&zs -> mr, pj, zz, dh, jg, zc, rz
%vd -> xf
%vk -> mp, ff
%cv -> ff
%cd -> th
%zg -> th, zq
%gd -> ff, cv
%ql -> lt
%lt -> ff, vd
%ds -> bd
%vp -> nt, qj