Archive December 2021

Below you will find all the daily special binary puzzles for December 2021. Click here to select another month.

December 1, 2021, 4 times 6x6, Very hard
December 2, 2021, 9 times 6x6, Very hard
December 3, 2021, 4 times 8x8, Hard
December 4, 2021, 6x6 in 10x10 in 14x14, Hard
December 5, 2021, 4 times 6x6, Very hard
December 6, 2021, 4 times 6x6, Very hard
December 7, 2021, 4 times 6x6, Very hard
December 8, 2021, 9 times 6x6, Hard
December 9, 2021, 4 times 8x8, Very hard
December 10, 2021, 9 times 6x6, Hard
December 11, 2021, 9 times 6x6, Very hard
December 12, 2021, 8x8 in 14x14, Hard
December 13, 2021, 4 times 8x8, Hard
December 14, 2021, 9 times 6x6, Very hard
December 15, 2021, 6x6 in 10x10 in 14x14, Hard
December 16, 2021, 9 times 6x6, Very hard
December 17, 2021, 6x6 in 10x10 in 14x14, Hard
December 18, 2021, 4 times 6x6, Very hard
December 19, 2021, 6x6 in 10x10 in 14x14, Hard
December 20, 2021, 6x6 in 10x10 in 14x14, Hard
December 21, 2021, 6x6 in 10x10 in 14x14, Hard
December 22, 2021, 9 times 6x6, Hard
December 23, 2021, 8x8 in 14x14, Very hard
December 24, 2021, 4 times 8x8, Hard
December 25, 2021, 4 times 6x6, Very hard
December 26, 2021, 4 times 8x8, Very hard
December 27, 2021, 4 times 6x6, Very hard
December 28, 2021, 4 times 6x6, Hard
December 29, 2021, 9 times 6x6, Hard
December 30, 2021, 6x6 in 10x10 in 14x14, Very hard
December 31, 2021, 9 times 6x6, Hard