#include<iostream> using namespace std; #define rep(i,a,b) for(int i = a;i<=b;i++) #define per(i,a,b) for(int i = a;i>=b;i--) char mp[35][55]; int main(void) { int n = 30; int m = 50; rep(i, 1, n) rep(j, 1, m) cin >> mp[i][j]; int ans = 0; rep(i, 1, n) rep(j, 1, m) rep(k, j + 1, m) rep(l, k + 1, m) if (mp[i][l] > mp[i][k] && mp[i][k] > mp[i][j]) { //cout << mp[i][j] << mp[i][k] << mp[i][l] << endl; ans++; } rep(i, 1, m) rep(j, 1, n) rep(k, j + 1, n) rep(l, k + 1, n) if (mp[k][i] > mp[j][i] && mp[l][i] > mp[k][i]) { //cout << mp[j][i] << mp[k][i] << mp[l][i] << endl; ans++; } rep(i, 1, n) rep(j, 1, m) for (int ii = i + 1, jj = j - 1; ii <= n && jj > 0; ii++, jj--) for (int iii = ii + 1, jjj = jj - 1; iii <= n && jjj > 0; iii++, jjj--) if (mp[iii][jjj] > mp[ii][jj] && mp[ii][jj] > mp[i][j]) { //cout << mp[i][j] << mp[ii][jj] << mp[iii][jjj] << endl; ans++; } else if (mp[iii][jjj] < mp[ii][jj] && mp[ii][jj] < mp[i][j]) { //cout << mp[i][j] << mp[ii][jj] << mp[iii][jjj] << endl; ans++; } rep(i, 1, n) rep(j, 1, m) for (int ii = i + 1, jj = j + 1; ii <= n && jj <= m; ii++, jj++) for (int iii = ii + 1, jjj = jj + 1; iii <= n && jjj <= m; iii++, jjj++) if (mp[iii][jjj] > mp[ii][jj] && mp[ii][jj] > mp[i][j]) { //cout << mp[i][j] << mp[ii][jj] << mp[iii][jjj] << endl; ans++; } cout << ans; return 0; }