static long Prob057()
 {
     ContinuedFraction sqrtTwo = new ContinuedFraction(1, new SqrtExpandSequence((new int[] { 2 }).ToList()));
     long rst = 0;
     Fraction suffix = new Fraction(1, 2), ONE = Fraction.ONE, TWO = Fraction.Integer(2);
     int counter = 0;
     while (counter < 1000)
     {
         Fraction sqrt2 = ONE + suffix;
         if (sqrt2.Numerator.ToString().Length > sqrt2.Denominator.ToString().Length)
         {
             rst++;
             OutputLine(string.Format("{0}th,{1}", counter + 1, sqrt2.ToString()));
         }
         counter++;
         suffix = ONE / (TWO + suffix);
     }
     return rst;
 }
 public ContinuedFraction(BigInt baseNum, ExpandSequence expSeq)
 {
     _base = Fraction.Integer(baseNum);
     _expSeq = expSeq;
 }