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Fig. 1
Background-subtracted XMM-Newton image of 1E2216.0-0401 and 1E2215.7-0404 in the 0.8−8.0 keV band. The magenta circles and white boxes (2′ × 5′) show the regions that we discuss in this Letter. The × and + indicate the dominant galaxy(ies) of each cluster.
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