Advent of Code 2017 Day 3.1: Spiral Memory Using Excel formula
https://adventofcode.com/2017
Live file folder https://1drv.ms/f/s!Ak8Fla2fCeo6g6ROa...
Manually Done • Advent of Code 2017 Day 3: Spiral Memory U...
0:00 wait
2:48 Create RC coordinate with Formula
25:48 Sum adjacent cell