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when toggle format what by license comment
Jan 14, 2022 at 12:12 vote accept Nandakumar R
Jan 12, 2022 at 9:47 comment added Nandakumar R I agree. This widens the answer for question 1 from prime N - assuming that mirror images are congruent. If we treat mirror images as non-congruent, what could one say? Shall add a remark in the question. Thanks.
Jan 12, 2022 at 9:20 history answered Saúl RM CC BY-SA 4.0