#include using namespace std; #define F first #define S second #define R cin>> #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x=0&&yvoid pr(const A &a,const B&...b){cout<void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")< P; void Main() { ll n,m; cin >> n >> m; ll a[n][n]; mem(a); if(n==3) { rep(i,n)rep(j,n) a[i][j]=1; if(m>1) rep(i,n) a[i][i]=0; rep(i,n) { rep(j,n) cout << a[i][j]; ln; } return; } rep(i,n) { a[i][i]=1; rep(j,n) { if(j*(m-1)*2+i+1m-1) a[i][n-1]=a[n-1][i]=1; c=0; rep(j,n) { if(a[i][j]) break; c++; } if(c>m-1) a[i][0]=a[0][i]=1; } rep(i,n) { rep(j,n) cout << a[i][j]; ln; } } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}