X X  X X X  X XXX  X XXX  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 XXX  X X X  X X X  X X X  X X X  X X X XX X X  X XXX  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 XXX  X XXX  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 XXX  X X X  X X X  X X X  X X X  X X X XX X X  X XXX  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  X X X  X X X  X X X  X X X  X X X  X