Update: Dec 13th - 06:18 p.m.
An extra # was added to R3C1 of the 7x7 grid in the copyable spreadsheet. Please refer to the sheet for the most up to date version of the puzzle.
An extra # was added to R3C1 of the 7x7 grid in the copyable spreadsheet. Please refer to the sheet for the most up to date version of the puzzle.