18
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C -1.1834520 0.6921630 2.1334801
C 0.0638440 0.7105490 2.5882001
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C 1.1821570 -0.4421980 -0.6014160
C -0.1984440 -0.4229000 -1.1355450
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H 0.5327650 1.6257480 2.9434559
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H 1.6221560 -1.4355540 -0.5056430
H 0.6722450 -0.1895780 2.6186039
H -1.6455690 -0.2212650 1.7692480
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H -0.6774270 1.5851361 -0.6685080
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H 0.0631950 -2.1995239 -2.0980060