Fig. A.1.
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Known lens test for the classification method in Sect. 3. The labels are same as Fig. 2 (a) and (b). The lenses that are not able to be recovered are highlighted with the red frames. SDSSJ0909+4449 has an overly wide image separation ∼18″. SDSSJ1452+4224 has bad pixels in CFIS-u image 1. J1612+3920 has a faint counter image hidden to the bottom-left of the lensing galaxy.
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