{#each rows[0].tiles as placed (placed.key)}
{@render tile({ ...placed, reportRatio: (r: number) => reportRatio(placed.key, r) })}
{/each}
{:else}
{#each rows as row, i (i)}
{#each row.tiles as placed (placed.key)}
{@render tile({ ...placed, reportRatio: (r: number) => reportRatio(placed.key, r) })}
{/each}
{/each}