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    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 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 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 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 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    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    X X    X X    X X