0.0.0.0.0.
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::12:: ::12::0.0.0.0.0.
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0..............0.............0...........0.......0.....0....0...0..0.0::12:: ::12:: ::12:: ::12:: ::12::0.0.0.0.0.
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0..............0.............0...........0.......0.....0....0...0..0.0::12:: ::12:: ::12:: ::12:: ::12::0.0.0.0.0.
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0..............0.............0...........0.......0.....0....0...0..0.0::12:: ::12:: ::12:: ::12:: ::12::0.0.0.0.0.
0..............0.............0...........0.......0.....0....0...0..0.0::12:: ::12:: ::12:: ::12:: ::12::