"There's actually a few variations of this children's song in circulation, with different verses condemning Ravari to his fate in varying ways. There's also THIS version, which I just made up. An intriguing road, Ravari: Make a broken wheel with speed. I'll take sixteen, Ravari, of the quicksilver I'll need It's a simple road, Ravari, Till you take another look. Projection, dear Ravari, Isn't all this puzzle took. With some sequencing, Ravari, Lesser metals get through fast. Another trick, Ravari: Put the odd quicksilver last. It's a tricky road, Ravari. When depositing the lead, You must be sure, Ravari, To continue to project? Listen, they can't ALL perfectly rhyme! Can't a girl have a slant rhyme as a treat?" And then there's a line break to separate the lore from the solve notes. This was a super neat puzzle! As I mentioned in the poem, min rate seemed really easy at first, but then I realized the tin has to get through while somehow projecting only once, and the period makes it so if you're not careful, you don't have enough period to get everything to its respective output. Pulling the singular outputted quicksilver last gave me the time I needed to move the last copper onto its output. The machine draws an extra lead in the process, but it's conveniently deposited in the lead output as the machine works! Does this mean outputting lead intentionally