denom.Mul(denom, tmp1.SetInt64(y2))
}

func eliminateDigit(d int64) {
	accum.Sub(accum, tmp1.Mul(denom, tmp1.SetInt64(d)))
	accum.Mul(accum, ten)
	numer.Mul(numer, ten)
}

func main() {
	i := 0
	k := int64(0)
	for {
		d := int64(-1)
		for d < 0 {
			k++
			nextTerm(k)
			d = extractDigit()
		}
		eliminateDigit(d)
		fmt.Printf("%c", d+'0')

		if i++; i%50 == 0 {