The Griddle

Puzzle #856: 2016 Advent Day 7: Tetra-Drop Grid Fill

Posted December 6, 2016 • #advent2016 #sudoku #numbersoup #gridfill #tetradrop

Tetra-Drop Grid Fill is back for today's bonus puzzle, along with another round of errata about yesterday's Junior Track piece. I promise I test-solved today's piece, and it's a toughie, but solvable!

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