gen := source(result)
	out := bufio.NewWriter(os.Stdout)
	for have, added, mark := gen(); have; have, added, mark = gen() {
		var from []line = hd.line(!added)

		fmt.Fprintln(out)
		for i := mark.From; i < mark.Length; i++ {
			fmt.Fprint(out, i)
			fmt.Fprint(out, i+1) // Line numbers start from 1 for most people :)
			if added {
				fmt.Fprint(out, " > ")
			} else {
				fmt.Fprint(out, " < ")
			}
			fmt.Fprintln(out, from[i].text)
		}

	return
}

// Returns an integer from a fibonacci code as specified in the package doc.
func (f Numbers) Decode(value uint64) (result uint64) {
	i := 1
	for (value & 3) != 3 {
		// Add the fibonacci number for the current bit if it is raised
		if (value & 1) == 1 {
			result += f.Nth(i)
		}

			// We know that the next bit cannot be raised by Zeckendorf's theorem
			value >>= 2
			i += 2
			continue
		}

		value >>= 1
		i++
	}
	result += f.Nth(i) - 1
	return
}