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 -5.00000000e-01 0.00000000e+00
 -5.00000000e-01 2.50000000e-01
 -2.50000000e-01 -2.50000000e-01
 -2.50000000e-01 0.00000000e+00
 -2.50000000e-01 2.50000000e-01
 0.00000000e+00 -5.00000000e-01
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 2.50000000e-01 -2.50000000e-01
 2.50000000e-01 0.00000000e+00
 2.50000000e-01 2.50000000e-01
 5.00000000e-01 0.00000000e+00
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