X      X      X X    X X    X      X      X      X      X      X      X      X      X      X      X      X      X      X      X    X XX     X  X   X  X   X      X      X   X  X      XX     X      X      X      X      X      X      X      X      X   X
X      X      X      X      X      X      X      X      X      X      X    X X      XX     X      X      X      X
X      X      X X    X X    X      X      X      X      X      X      X      X      X      X      X      X      X      X      X    X XX     X  X   X  X   X      X      X   X  X      XX     X      X      X      X      X      X      X      X      X   X      X      X      X      X      X      X      X      X      X      X    X X      XX     X      X      X      X