#include <bits/stdc++.h>

using namespace std;

int col[8], row[8], a[8][8], cr[8], cc[8], cfull = 0, rfull = 0;
pair<int, int> found[66];

bool check() {
    bool flag = cfull == 8 && rfull == 8;
    if (flag) {
        for (int ii = 0; ii < 8; ++ii) {
            for (int jj = 0; jj < 8; ++jj) {
                cout << fixed << setw(2) << a[ii][jj] << ' ';
            }
            // cout << '\n';
            cout << '\n';
        }
        return true;
    }
    return false;
}

const int dx[] = {2, 2, 1, -1, -2, -2, -1, 1};
const int dy[] = {1, -1, -2, -2, -1, 1, 2, 2};
vector<pair<int, int>> e[8][8];
// unordered_set<pair<int, int>> e[8][8];
// vector<pair<int, int>> e2[8][8];

int last(int x) {
    int r = 64, l = 64 - x + 1;
    return (l + r) * (r - l + 1) / 2;
}

int next(int x, int idx) {
    int l = idx, r = idx + x - 1;
    return (l + r) * (r - l + 1) / 2;
}
bool Go(int x, int y, int idx) {
    if (row[x] + last(8 - cr[x]) < 260) return false;
    if (col[y] + last(8 - cc[y]) < 260) return false;

    // if (row[x] + next(8 - cr[x], idx + 1) > 260) return false;
    // if (col[y] + next(8 - cc[y], idx + 1) > 260) return false;

    if (idx == 64) {
        if (check()) return true;
        return false;
    }

    if (found[idx + 1].first == -1) {
        for (auto [xx, yy] : e[x][y]) {
            if (a[xx][yy] == -1) {
                if (row[xx] + idx + 1 > 260) continue;
                if (col[yy] + idx + 1 > 260) continue;
                ++cr[xx];
                ++cc[yy];
                a[xx][yy] = idx + 1;
                row[xx] += idx + 1;
                col[yy] += idx + 1;
                if (cr[xx] == 8 && row[xx] == 260) ++rfull;
                if (cc[yy] == 8 && col[yy] == 260) ++cfull;
                if (Go(xx, yy, idx + 1)) return true;
                if (cr[xx] == 8 && row[xx] == 260) --rfull;
                if (cc[yy] == 8 && col[yy] == 260) --cfull;
                a[xx][yy] = -1;
                row[xx] -= idx + 1;
                col[yy] -= idx + 1;
                --cr[xx];
                --cc[yy];
            }
        }
    } else {
        int xx = found[idx + 1].first - x;
        int yy = found[idx + 1].second - y;
        if (abs(xx * yy) != 2) return false;
        if (Go(found[idx + 1].first, found[idx + 1].second, idx + 1)) return true;
    }
    return false;
}

int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    double stime = clock();

    int test; cin >> test;
    for (int i = 0; i < test; ++i) {
        int k; cin >> k; cout << k << '\n';
        int si, sj;
        cfull = rfull = 0;
        for (int i = 0; i < 8; ++i) {
            row[i] = col[i] = cr[i] = cc[i] = 0;
        }
        for (int i = 1; i <= 64; ++i) found[i] = {-1, -1};
        for (int i = 0; i < 8; ++i) {
            for (int j = 0; j < 8; ++j) { 
                cin >> a[i][j];
                if (a[i][j] != -1) {
                    row[i] += a[i][j];
                    col[j] += a[i][j];
                    found[a[i][j]] = {i, j};
                    cr[i]++;
                    cc[j]++;
                }
                if (a[i][j] == 1) {
                    si = i, sj = j;
                }
            }
        }
        for (int x = 0; x < 8; ++x) {
            for (int y = 0; y < 8; ++y) {
                e[x][y].clear();
                for (int i = 0; i < 8; ++i) {
                    int xx = x + dx[i], yy = y + dy[i];
                    if (xx < 0 || xx >= 8 || yy < 0 || yy >= 8) continue;
                    if (a[xx][yy] == -1) {
                        e[x][y].push_back({xx, yy});
                    }
                }
                // random_shuffle(e[x][y].begin(), e[x][y].end());
            }
        }
        for (int i = 0; i < 8; ++i) {
            if (cr[i] == 8 && row[i] == 260) rfull += 1;
            if (cc[i] == 8 && col[i] == 260) cfull += 1;
        }
        Go(si, sj, 1);
    }
    
    // cerr << "Running time: " << (clock() - stime) / CLOCKS_PER_SEC << '\n';
}