mousetail

const fs = require('node:fs');
const input = String.fromCharCode(...fs.readFileSync(0)).split('\n');
const source = fs.readFileSync('source.knight', 'utf8');
const Knight = (() => {
  let inputs = [];
  let output = '';

  class KnightError extends Error {}
  class ParseError extends KnightError {}
  class RuntimeError extends KnightError {}