import sys import time import random input = lambda: sys.stdin.readline().rstrip() # ----------------------- # n, m = map(int, input().split()) ab = [tuple(map(int, input().split())) for _ in range(n)] ab_set = set(ab) ALP = 5 START = time.time() def calc_score(stations, root): ans = 0 for i in range(1, n+m): u, v = root[i][1]-1, root[i-1][1]-1 ut, vt = root[i][0], root[i-1][0] if ut == 1: if vt == 1: ans += ALP * ALP * (ab[u][0] - ab[v][0])**2 + (ab[u][1] - ab[v][1])**2 else: ans += ALP * (ab[u][0] - stations[v][0])**2 + (ab[u][1] - stations[v][1])**2 else: if vt == 1: ans += ALP * (stations[u][0] - ab[v][0])**2 + (stations[u][1] - ab[v][1])**2 else: ans += (stations[u][0] - stations[v][0])**2 + (stations[u][1] - stations[v][1])**2 return ans def make_stations(): stations = set() while len(stations) < m: i, j = random.randint(0, 1000), random.randint(0, 1000) if (i, j) in ab_set: continue stations.add((i, j)) return list(stations) def make_root(stations): A = [(1, i) for i in range(1, n+1)] B = [(2, i) for i in range(1, m+1)] C = A[1:] + B random.shuffle(C) return A[:1] + C vestscore = 0 ans = [] while time.time() - START < 0.8: stations = make_stations() root = make_root(stations) score = calc_score(stations, root) if score > vestscore: vestscore = score ans = [stations[:], root[:]] for i in ans[0]: print(*i) print(len(ans[1])+1) for i in ans[1]: print(*i) print(1, 1)