import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.List; import java.util.Set; public class Main { static boolean debug = false; static long startTime; static int n = 6; static int nn = 36; public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // solveOpen(br); solveReactive(br); br.close(); } static void solveOpen(BufferedReader br) throws Exception { startTime = System.currentTimeMillis(); List list = new ArrayList<>(nn); for (int i = 0; i < nn; i++) { String[] sa = br.readLine().split(" "); Obj o = new Obj(); for (int j = 0; j < n; j++) { o.d[j] = Integer.parseInt(sa[j]) - 1; o.cnt[o.d[j]]++; o.ex[o.d[j]] = true; } list.add(o); } f = new Obj[n][n]; for (int i = 0; i < nn; i++) { int x = i / n; int y = i % n; f[x][y] = list.get(i); } solve1(new HashSet<>(), 1800); for (Obj o : list) { System.out.println(o.x + " " + o.y); } if (debug) { System.out.println(newScore); } } static void solveReactive(BufferedReader br) throws Exception { f = new Obj[n][n]; for (int x = 0; x < n; x++) { for (int y = 0; y < n; y++) { Obj o = new Obj(); for (int j = 0; j < n; j++) { o.d[j] = (int) (Math.random() * 6); o.cnt[o.d[j]]++; o.ex[o.d[j]] = true; } f[x][y] = o; } } startTime = System.currentTimeMillis(); Set fixed = new HashSet<>(); boolean[][] done = new boolean[n][n]; for (int t = 0; t < 35; t++) { Obj o = new Obj(); label: for (int x = 0; x < n; x++) { for (int y = 0; y < n; y++) { if (!done[x][y]) { f[x][y] = o; break label; } } } String[] sa = br.readLine().split(" "); for (int j = 0; j < n; j++) { o.d[j] = Integer.parseInt(sa[j]) - 1; o.cnt[o.d[j]]++; o.ex[o.d[j]] = true; } solve1(fixed, 52 * (t + 1)); System.out.println(o.x + " " + o.y); int x = o.x - 1; int y = o.y - 1; fixed.add(x * n + y); done[x][y]= true; } } static void solve1(Set fixed, long limitTime) { int chgNum = Math.min(3, nn - fixed.size()); List chgPos = new ArrayList<>(chgNum); bestWk = new int[chgNum]; chgObj = new ArrayList<>(chgNum); while (true) { long time = System.currentTimeMillis() - startTime; if (time > limitTime) { break; } chgPos.clear(); chgObj.clear(); for (int i = 0; i < chgNum; i++) { int p = rand36(fixed, chgPos); chgPos.add(p); chgObj.add(f[p / n][p % n]); } newScore = 0; permutation(chgPos, 0, 0, new int[chgNum]); for (int i = 0; i < chgNum; i++) { int x = bestWk[i] / n; int y = bestWk[i] % n; f[x][y] = chgObj.get(i); } } for (int x = 0; x < n; x++) { for (int y = 0; y < n; y++) { f[x][y].x = x + 1; f[x][y].y = y + 1; } } } static int newScore; static int[] bestWk; static Obj[][] f; static List chgObj; static void permutation(List org, int used, int idx, int[] wk) { if (idx == org.size()) { for (int i = 0; i < idx; i++) { int x = wk[i] / n; int y = wk[i] % n; f[x][y] = chgObj.get(i); } int res = score(f); if (res >= newScore) { newScore = res; for (int i = 0; i < idx; i++) { bestWk[i] = wk[i]; } } return; } for (int i = 0; i < org.size(); i++) { if ((used >> i & 1) == 0) { wk[idx] = org.get(i); permutation(org, used | 1 << i, idx + 1, wk); } } } static int rand36(Set ng, List ng2) { int rem = 36 - ng.size() - ng2.size(); int val = (int) (Math.random() * rem) + 1; int cnt = 0; for (int i = 0; i < 36; i++) { if (!ng.contains(i) && !ng2.contains(i)) { cnt++; if (cnt == val) { return i; } } } throw new RuntimeException(); } static int score(Obj[][] f) { int ret = 0; List list = new ArrayList<>(n); for (int x = 0; x < n; x++) { for (int y = 0; y < n; y++) { list.add(f[x][y]); } ret += lineScore(list); list.clear(); } for (int y = 0; y < n; y++) { for (int x = 0; x < n; x++) { list.add(f[x][y]); } ret += lineScore(list); list.clear(); } return ret; } static int lineScore(List list) { boolean[] ex = new boolean[n]; Arrays.fill(ex, true); int[] cnt = new int[n]; for (Obj o : list) { for (int i = 0; i < n; i++) { ex[i] = ex[i] && o.ex[i]; cnt[i] += o.cnt[i]; } } int ret = 0; for (int i = 0; i < n; i++) { if (ex[i]) { ret += cnt[i] - 3; } } return ret; } static class Obj { int x, y; int[] d = new int[n]; int[] cnt = new int[n]; boolean[] ex = new boolean[n]; } }