for (int c0 = 0; c0 <= 99; c0 += 1)
  for (int c1 = 0; c1 <= 99; c1 += 1) {
    A(c1, 0, c0);
    A(c1, 1, c0);
    B(c1, 0, c0);
    B(c1, 1, c0);
  }