#include using namespace std; using ll = long long; #define rep(i, s, n) for(int i=(0+s); i < (n+s); i++) //pair-> P template using P = pair; template struct item {T A, B, C;}; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int H, W; cin >> H >> W; vector mygrid(H); vector> check(H, vector(W, false)); rep(i, 0, H) cin >> mygrid[i]; if(W<6){ for(int i=0; i