## 4th Day of Year – 04.01.2021: Colored Patterns and Magic Square

References: Inder J. Taneja, Colored Patterns With 2021 On a Board of 9×9, https://inderjtaneja.com/2020/12/26/colored-pattern-with-2021-on-a-board-of-9×9/ Inder J. Taneja, Block-Wise and Block-Bordered Magic and Bimagic Squares With Magic Sums 21, 21^2 and 2021, https://inderjtaneja.com/2020/12/20/block-wise-and-block-bordered-magic-and-bimagic-squares-with-magic-sums-21-212-and-2021/ Inder J. Taneja, Fractional and Decimal Type Bordered Magic Squares With Magic Sum 2021, https://inderjtaneja.com/2020/12/18/fractional-and-decimal-type-bordered-magic-squares-with-magic-sum-2021/ . Also refers: Inder J. Taneja, Fractional and Decimal […]