public  int pseudoEncrypt(String mobileNo){
    int h = 0;
    char[] value = mobileNo.toCharArray();
    for (char val : value) {
        h += val;
    }
    int l1 = (h >> 16) & 0xffff;
    int r1 = h & 0xffff;
    int l2, r2;
    int i;
    for (i = 0; i < 3; i++) {
        l2 = r1;
        r2 = l1 ^ (int)(Math.round(((((1366*r1 + 150889) % 714025) / 714025.0) * 32767))) ;
        l1 = l2;
        r1 = r2;
    }
    return ((r1 << 16) +l1);
}

  见userController

  战马的足迹+起点和终点间的直线围成一个正方形，封地上可以建立城池，开4个城门