References: Inder J. Taneja, Block-Wise and Block-Bordered Magic and Bimagic Squares With Magic Sums 21, 212 and 2021. Zenodo, December 16, 2020, http://doi.org/10.5281/zenodo.4380343. pp. 1-118.Inder J. Taneja, Block-Wise and Block-Bordered Magic and Bimagic Squares of Orders 10 to 47. Zenodo, January 14, 2021, pp. 1-185, http://doi.org/10.5281/zenodo.4437783.Inder J. Taneja, Bordered and Block-Wise Bordered Magic Squares: Odd … Continue reading Special Day: 4.3.21 – Bordered Magic Square of Order 8 With Magic Sum 4321