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#include <cstdio>

const int N = 100;

void draw(char** t, int ax, int ay, int bx, int by) {
  for (int x=ax; x<=bx; ++x) for (int y=ay; y<=by; ++y) t[y][x] = '1';
}

int main() {
  char** t; t = new char*[N]; for (int i=0; i<N; ++i) t[i] = new char[N];
  for (int i=0; i<N; ++i) for (int j=0; j<N; ++j) t[i][j] = '0';

  draw(t, N-1, 0, N-1, 0);
  for (int i=0; i<N-1; ++i) {
    if (i%2 == 0) {
      draw(t, i, 1, i, 99);
    } else {
      draw(t, i, 99, i, 99);
    }
  }

  for (int i=0; i<N; ++i) {
    for (int j=0; j<N; ++j) printf("%c", t[i][j]);
    printf("\n");
  }
  return 0;
}