Function shuffle_jigsaw_indices_with_priority_cache 

fn shuffle_jigsaw_indices_with_priority_cache(
    location: &Identifier,
    template: &TemplateData,
    rng: &mut LegacyRandom,
    out: &mut Vec<usize>,
    order_scratch: &mut Vec<usize>,
    priority_scratch: &mut Vec<i32>,
    priority_cache: &mut FxHashMap<Identifier, Vec<i32>>,
)