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BSicon exvBHFq.svg en closed station on closed close parallel lines BSiconuexvBHFq svg UTC BSiconuexvBHFq svg AlgaeGraphix derivative work Tuvalkin talk BSicon exvBHFl svg Cczero Original upload log This image is derivative work of the following images File BSiconuexvBHFq svg with Cczero AlgaeGraphix Bytes no en closed station