#include<iostream>
#define int long long
using namespace std;
struct poi{
    int x, y, v;
}p[20], np[20];
int pin1, pin2;
signed main(){
    ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    int n, res=0; cin>>n;
    while(n--){
        int opt, x, y, v; cin>>opt;
        if(opt == 1){
            pin2 = 0;
            cin>>x>>y>>v;
            x ^= res; y^=res; v^=res;
            int lt = 1;
            int nx, ny;
            int lsx[4]={0, 0, 0, 0};
            int lsy[4]={0, 0, 0, 0};
            if(p[lt].v <= v){
                nx = x; ny = y;
                np[++pin2] = {x, y, v};
                v = -1;
            }
            else{
                nx = p[lt].x; ny = p[lt].y;
                np[++pin2] = p[lt]; lt++;
            }
            while(lt<=pin1 &&  v > 0){
                poi pos;
                if(p[lt].v <= v){
                    pos = {x, y, v}; v = -1;
                }
                else pos = p[lt++];
                // 阶段一
                if(nx && ny){
                    // 无用
                    if(nx == pos.x && ny == pos.y) continue;
                    // 有用
                    np[++pin2] = pos;
                    // 阶段二
                    if(nx == pos.x && ny != pos.y){
                        ny = 0; continue;
                    }
                    if(nx != pos.x && ny == pos.y){
                        nx = 0; continue;
                    }
                    // 阶段三
                    if(nx != pos.x && ny != pos.y){
                        nx = ny = 0;
                        lsx[0] = lsy[0] = 2;
                        lsx[1] = nx; lsx[2] = pos.x;
                        lsy[1] = pos.y; lsy[2] = ny;
                        continue;
                    }
                }
                // 阶段2单边
                else if(nx || ny){
                    if(nx){
                        // 无用
                        if(pos.x == nx) continue;
                        // 有用
                        np[++pin2] = pos;
                        lsx[0] = lsy[0] = 1;
                        lsx[1] = nx; lsy[1] = pos.y;
                        nx = 0;
                        continue;
                    }
                    // 无用
                    if(pos.x == nx) continue;
                    // 有用
                    np[++pin2] = pos;
                    lsx[0] = lsy[0] = 1;
                    lsx[1] = pos.x; lsy[1] = ny;
                    ny = 0;
                    continue;
                }
                // 点的情况
                else{
                    if(lsx[0] == 1){
                        // 无用
                        if(pos.x == lsx[1] || pos.y == lsy[1]) continue;
                        // 有用
                        np[++pin2] = pos;
                        break;
                    }
                    if(lsx[0] == 2){
                        // 无用
                        if((pos.x == lsx[1] && pos.y == lsy[2])||(pos.x == lsx[2] && pos.y == lsy[1])) continue;
                        // 有用
                        np[++pin2] = pos;// 一个点
                        if((pos.x == lsx[2] || pos.y == lsy[2])){
                            // 进入一个点状态
                            lsx[0] = lsy[0] = 1;
                            lsx[1] = lsx[2]; lsy[1] = lsy[2];
                            continue;
                        }
                        if((pos.x == lsx[1] || pos.y == lsy[1])){
                            // 进入一个点状态
                            lsx[0] = lsy[0] = 1;
                            continue;
                        }
                        // 结束
                        break;
                    }
                }
            }
        }
        if(opt == 2){

        }
    }
}