Twice a year the sheriffs came to the Exchequer to account. What they had paid on account at Easter they proved at Michaelmas with their stocks, and nothing was allowed until each stock had been laid against its foil from the chest. Six sheriffs have come. One has cut a sum into his stock after the split. The sums are invented; the method is not.
tap a stock, then a foil, to lay them together · keys 1–6 pick a stock, a–f a foil · N for a new chest
Tap one of the sheriffs’ stocks, then the foil you think was split from it.