#include <iostream>
using namespace std;
int main() {
    int t, strana;
    cin >> t >> strana;

    int S = 1, E = 4 * t;

    for(int i = 0; i < t; i++) {

        if(strana == S) {
            cout << S + 1 << " " << E - 1 << " " << E << endl;
        }
        if(strana == S + 1) {
            cout << S << " " << E - 1 << " " << E << endl;
        }
        if(strana == E - 1) {
            cout << S << " " << S + 1 << " " << E << endl;
        }
        if(strana == E) {
            cout << S << " " << S + 1 << " " << E - 1 << endl;
        }
        S += 2;
        E -= 2;
    }

    return 0;
}