Fig. 5.

Regions used to estimate the significance of the model-to-data association, where red means usable region and green means masked region. Left: the region used in Sect. 3.2. Middle and right: the inside and outside regions used in Sect. 3.3, which are 0°–90° and 90°–120° to the center of Loop I, respectively. The BICEP2 region is also marked in each panel.
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