From 1, 2, 3, ..., n, randomly select 57 numbers, so that the difference between the two numbers of these 57 numbers must be 13, then what is the maximum value of n?
从1，2，3，…，n中，任取57个数，使这57个数必有两个数的差为13，则n的最大值为多少．
<result>108</result>