0oz;0ix{
  1ox;0oy;0oy;
};
0iy{
  1oy;0ox;
};
0ox;0ix{
  1ox;0ix{
    1ox;0ix{
      1ox;0oy;
    };
  };
};
0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;
0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;
0oy;0oy;0oy;0oy;0oy;0oy;0oy;0oy;1iy;
