Part 1

Collecting Pairs
Red Tiles8
Point0/8
Pairs0
............
......@...+.
............
.+....+.....
............
.+......+...
............
........+.+.
............
Event Log
Waiting for events...

Part 2

Building Polygon
Red Tiles8
Edges0/8
............
......#...#.
............
.#....#.....
............
.#......#...
............
........#.#.
............
Event Log
Waiting for events...