2023 Day 2 Complete!

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Brian Buller 2023-12-02 09:52:01 -06:00
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Game 1: 3 blue, 2 green, 6 red; 17 green, 4 red, 8 blue; 2 red, 1 green, 10 blue; 1 blue, 5 green
Game 2: 9 red, 2 green; 5 red, 1 blue, 6 green; 3 green, 13 red, 1 blue; 3 red, 6 green; 1 blue, 14 red, 6 green
Game 3: 6 red, 3 blue, 8 green; 6 blue, 12 green, 15 red; 3 blue, 18 green, 4 red
Game 4: 1 blue, 4 red; 2 blue, 6 red; 13 blue; 11 blue, 1 green, 8 red; 10 blue, 3 green, 2 red; 3 green, 7 blue
Game 5: 2 red, 1 blue, 8 green; 2 blue, 7 green, 3 red; 1 blue, 7 green, 4 red; 2 blue, 1 green, 1 red; 13 green, 1 blue
Game 6: 7 green, 1 red, 3 blue; 1 red, 4 blue; 6 green, 6 blue; 8 green, 1 red; 6 green, 1 red, 5 blue
Game 7: 10 blue, 1 green; 5 red, 8 blue, 3 green; 11 blue, 5 red, 8 green; 2 blue, 8 red, 5 green; 7 blue, 9 green; 6 blue, 2 green, 7 red
Game 8: 15 green, 8 blue, 3 red; 6 blue, 7 green, 5 red; 2 green, 1 red, 5 blue; 9 blue, 9 green, 5 red
Game 9: 16 red; 5 blue, 6 red, 9 green; 7 blue, 6 green, 2 red; 15 red, 5 blue, 3 green; 1 red, 6 green, 6 blue; 3 blue, 7 red, 5 green
Game 10: 17 green, 5 blue, 6 red; 18 green, 9 red; 4 red, 4 blue, 4 green; 10 red, 6 green, 5 blue; 8 red, 4 blue, 12 green
Game 11: 4 blue, 2 green, 5 red; 1 blue, 1 red; 9 blue, 1 green, 2 red; 4 red, 10 blue; 3 green, 4 blue, 3 red
Game 12: 4 green, 2 blue, 7 red; 4 blue, 2 green, 1 red; 7 green, 5 blue, 9 red
Game 13: 1 green, 3 red, 3 blue; 1 blue, 10 green; 2 green, 3 blue
Game 14: 7 red, 3 green, 12 blue; 5 red, 4 green, 6 blue; 13 blue, 1 red; 4 blue, 6 red, 2 green; 4 red, 3 blue; 9 red, 13 blue
Game 15: 4 blue, 5 red, 2 green; 7 red, 2 blue, 1 green; 17 red, 3 blue; 2 blue; 4 blue, 8 red
Game 16: 5 blue; 9 red, 14 green, 5 blue; 5 blue, 9 green
Game 17: 3 blue, 5 red; 6 blue, 1 green, 4 red; 7 green, 6 blue, 7 red; 1 red, 6 blue, 4 green; 6 green; 1 blue, 6 green
Game 18: 9 blue, 4 green, 2 red; 1 green, 9 red, 10 blue; 14 red, 10 green, 17 blue; 12 red, 1 green, 15 blue; 3 blue, 8 red, 2 green; 3 green, 11 red, 13 blue
Game 19: 1 blue, 3 red, 9 green; 14 green, 3 red, 2 blue; 1 blue, 8 red, 11 green; 4 blue, 3 red; 14 red, 4 green; 5 red, 8 green
Game 20: 2 blue, 3 red, 2 green; 3 blue, 2 green; 1 red, 4 green, 5 blue; 9 blue, 9 green, 3 red; 3 green, 1 blue, 4 red; 1 red, 9 green, 2 blue
Game 21: 11 blue, 6 red; 8 red; 7 red, 6 green, 11 blue; 7 green, 7 red, 11 blue; 6 red, 12 blue
Game 22: 7 green, 8 blue, 5 red; 12 green, 4 red, 2 blue; 12 green, 7 red, 11 blue
Game 23: 5 green, 2 blue, 7 red; 6 blue, 8 green, 3 red; 10 red, 5 blue; 6 green, 3 blue; 1 green, 8 red
Game 24: 17 blue, 1 green, 2 red; 2 red, 11 green, 9 blue; 6 red, 8 blue
Game 25: 3 red, 1 blue, 19 green; 1 blue, 1 green, 6 red; 6 green, 5 blue; 4 green, 2 red, 19 blue; 6 red, 19 blue, 18 green; 1 red, 4 blue, 1 green
Game 26: 3 red, 4 blue, 2 green; 2 red, 1 green, 3 blue; 14 blue, 1 green, 3 red; 5 green, 2 red, 10 blue; 9 blue, 2 red, 7 green; 15 blue, 4 green, 3 red
Game 27: 3 blue, 5 red, 2 green; 6 red, 7 blue, 9 green; 14 green, 11 red, 6 blue; 3 blue, 20 green, 3 red; 6 red, 15 green, 7 blue; 13 red, 1 blue, 14 green
Game 28: 4 blue, 7 green, 4 red; 2 red, 4 blue, 7 green; 6 blue, 11 green, 4 red; 6 blue, 6 green, 3 red; 6 green, 12 red
Game 29: 3 red, 9 blue; 5 red, 5 blue; 2 green, 3 red, 3 blue
Game 30: 1 green, 1 red, 3 blue; 1 blue, 1 red, 3 green; 1 blue; 1 blue, 3 green, 1 red; 2 blue, 2 green
Game 31: 2 blue, 1 red; 1 blue, 1 green, 1 red; 4 blue, 3 green; 1 red, 3 green, 2 blue; 2 green
Game 32: 1 blue, 6 green; 9 red, 6 green; 1 blue, 15 red, 3 green
Game 33: 18 green, 1 blue, 10 red; 10 red, 1 blue, 7 green; 11 green; 6 red, 13 green
Game 34: 10 red, 14 blue, 6 green; 2 green, 13 blue, 1 red; 8 green, 7 blue, 1 red; 9 blue, 7 green, 4 red
Game 35: 5 blue, 9 green, 2 red; 7 green, 9 blue, 5 red; 1 green, 5 red
Game 36: 10 red; 5 red, 1 green, 1 blue; 2 green, 8 red; 9 red, 2 green; 1 blue, 10 red; 6 red, 1 green, 1 blue
Game 37: 13 red, 1 blue, 7 green; 1 green, 9 red, 3 blue; 4 red, 1 blue, 11 green; 1 red; 1 red, 1 blue; 6 red, 3 blue, 2 green
Game 38: 3 blue, 12 red, 7 green; 1 green; 12 red, 1 blue
Game 39: 7 green, 12 blue, 2 red; 3 red, 10 blue, 7 green; 2 red, 8 green, 3 blue; 3 red, 12 blue, 5 green
Game 40: 7 green, 5 red; 1 green, 2 blue; 2 red, 1 green, 7 blue
Game 41: 1 red, 7 green, 2 blue; 2 green, 2 blue; 4 blue, 7 green, 1 red; 1 blue, 1 red, 7 green; 6 blue, 2 red, 3 green
Game 42: 6 blue; 4 green, 18 blue, 1 red; 10 green, 14 blue, 2 red; 6 blue, 4 green; 2 red, 13 blue, 6 green; 6 green, 1 red, 5 blue
Game 43: 5 blue, 12 red; 5 blue, 2 green, 7 red; 9 red, 4 blue; 1 green, 11 red, 2 blue; 5 red, 1 green; 2 blue, 3 red, 1 green
Game 44: 4 blue, 9 red, 4 green; 4 blue, 10 red; 4 green, 5 red; 1 green, 2 red, 3 blue
Game 45: 7 green, 2 blue, 18 red; 19 red, 7 green; 8 green, 1 blue, 19 red; 2 green, 12 red; 6 red, 5 green; 7 green, 10 red
Game 46: 1 blue, 15 red, 11 green; 7 red, 1 green, 5 blue; 13 red, 2 blue, 2 green; 7 green, 5 blue, 10 red; 12 green, 3 red, 1 blue
Game 47: 2 blue, 2 red, 5 green; 7 green, 2 red, 7 blue; 10 blue, 2 red, 8 green
Game 48: 8 green, 10 red; 6 green, 5 red; 12 green, 2 blue; 17 green, 5 red, 1 blue; 14 green, 3 blue, 16 red; 1 blue, 5 red
Game 49: 5 blue, 6 red, 12 green; 8 blue, 15 green; 4 blue, 3 green, 3 red; 6 red, 11 green, 10 blue; 9 green, 2 red, 10 blue
Game 50: 10 red, 11 green, 14 blue; 6 green, 8 blue, 17 red; 2 blue, 4 red; 6 blue, 8 green, 17 red; 17 red, 9 blue, 2 green; 13 blue, 16 red, 12 green
Game 51: 12 red, 2 green, 7 blue; 5 blue, 10 red; 1 blue, 7 red, 1 green; 14 blue, 2 red, 1 green
Game 52: 5 blue, 5 red, 8 green; 1 blue, 9 green, 7 red; 4 blue, 5 red, 3 green; 7 green, 2 blue, 2 red; 5 red, 3 blue, 17 green; 19 green, 1 red
Game 53: 4 red, 1 blue, 2 green; 1 green; 2 red; 1 blue, 2 green; 2 green, 4 red
Game 54: 7 red; 9 red, 2 blue, 14 green; 1 blue, 5 green; 7 green, 3 blue
Game 55: 11 blue, 2 green; 11 blue, 9 green, 12 red; 8 green, 6 blue, 12 red
Game 56: 2 green, 1 red, 2 blue; 4 red, 5 green, 5 blue; 5 red, 5 blue, 10 green; 8 red, 3 green, 3 blue
Game 57: 7 red, 3 green; 1 blue, 6 red, 1 green; 1 blue; 7 red, 1 green, 1 blue; 2 red, 1 blue, 1 green; 3 green, 1 blue
Game 58: 9 blue, 2 red; 2 green, 9 blue, 2 red; 5 blue, 4 green
Game 59: 8 red; 5 green, 1 blue, 3 red; 1 green, 8 red
Game 60: 9 green, 8 blue, 3 red; 10 green, 4 red; 8 blue, 2 green, 4 red; 1 red, 5 green, 7 blue; 1 green, 4 blue, 1 red; 4 blue
Game 61: 5 blue, 9 red, 4 green; 5 green, 7 blue, 6 red; 7 green, 8 red; 7 blue, 4 red, 2 green; 8 red, 4 blue, 5 green; 3 green, 9 red, 7 blue
Game 62: 9 red, 10 blue; 1 green, 7 red, 13 blue; 1 green, 11 blue; 6 red, 16 blue, 5 green; 20 red, 1 green, 3 blue
Game 63: 9 red, 8 green, 1 blue; 13 green, 12 red, 1 blue; 7 green, 5 red, 3 blue
Game 64: 3 red, 2 blue, 10 green; 3 green; 1 blue, 8 green, 2 red; 7 red, 1 blue, 4 green; 9 red, 1 blue, 4 green
Game 65: 7 red, 6 green; 1 blue, 4 green, 7 red; 6 red; 6 red, 4 green, 1 blue
Game 66: 4 blue, 4 green; 1 red, 7 green, 1 blue; 7 green, 3 red, 3 blue; 1 blue, 1 red, 6 green; 3 red, 7 green
Game 67: 5 green, 16 blue, 5 red; 4 red, 7 green, 3 blue; 4 red, 4 green, 9 blue; 12 green, 5 red; 15 green, 3 red; 10 blue, 6 red, 1 green
Game 68: 3 green, 3 blue, 5 red; 2 green, 6 blue; 2 green, 3 blue, 1 red; 1 blue, 11 red
Game 69: 5 green, 1 blue; 16 green, 9 red; 10 red, 18 green
Game 70: 1 blue, 1 green; 1 red; 1 red, 2 blue, 1 green; 1 green, 2 red; 2 blue, 2 red; 1 red
Game 71: 11 red; 2 green, 3 blue, 13 red; 1 green, 3 blue; 15 red, 1 green, 3 blue; 4 red
Game 72: 2 blue, 6 red, 18 green; 6 red, 8 green, 7 blue; 5 blue, 3 red, 12 green; 3 red, 2 blue, 4 green
Game 73: 12 blue, 7 green, 4 red; 5 green, 2 red, 4 blue; 3 green, 3 red, 10 blue; 1 green, 12 blue, 6 red; 3 blue, 6 green, 14 red
Game 74: 3 red; 1 blue, 8 green, 11 red; 3 green, 2 red
Game 75: 5 green, 2 red, 1 blue; 8 green, 2 red; 11 green, 2 red; 2 red, 17 green; 3 blue, 3 green, 2 red
Game 76: 1 blue, 5 green, 4 red; 8 green, 11 blue, 5 red; 8 blue, 2 red, 11 green
Game 77: 1 red, 11 blue, 7 green; 8 green, 4 blue; 1 blue, 8 green
Game 78: 1 green, 1 red, 1 blue; 3 green, 1 blue, 3 red; 10 green, 1 blue; 12 green
Game 79: 1 red, 11 blue, 6 green; 3 green, 3 red, 5 blue; 16 blue, 1 red, 5 green; 11 blue, 3 green, 2 red; 8 blue, 6 green, 4 red
Game 80: 5 green; 6 green, 7 red, 4 blue; 7 green, 5 blue; 6 blue, 6 green; 7 blue, 7 green; 6 green, 7 blue, 5 red
Game 81: 1 green, 14 blue; 11 blue, 1 red; 1 red, 16 green, 2 blue; 9 green, 1 red, 13 blue; 10 green, 8 blue
Game 82: 7 green, 7 red, 3 blue; 4 blue, 1 green, 4 red; 2 green, 14 blue, 3 red
Game 83: 15 blue; 2 blue, 1 green, 4 red; 8 green, 4 red, 6 blue
Game 84: 12 blue, 17 green; 6 green, 1 red, 16 blue; 1 blue, 1 red; 5 blue, 11 green
Game 85: 5 blue, 15 green, 3 red; 4 blue, 1 green, 11 red; 8 red, 2 blue, 4 green
Game 86: 11 blue, 16 green, 16 red; 11 blue, 17 red, 10 green; 8 green, 7 red
Game 87: 2 red, 4 green, 2 blue; 2 blue, 6 green; 2 red, 3 blue, 3 green; 1 red, 4 green; 1 green, 2 blue, 2 red; 4 blue, 4 green
Game 88: 10 red, 7 green; 2 blue, 6 red, 1 green; 8 blue, 8 red, 7 green; 2 green, 5 blue, 2 red; 3 blue, 3 red, 6 green
Game 89: 9 blue, 16 green; 2 red, 5 blue, 6 green; 12 blue, 15 green; 8 green, 2 red, 3 blue
Game 90: 18 red, 1 blue; 3 red, 5 blue, 4 green; 1 blue, 2 green, 6 red; 2 green, 16 red, 3 blue; 5 blue, 13 red, 5 green
Game 91: 4 red, 7 green, 1 blue; 3 green, 16 blue, 2 red; 4 green, 8 blue
Game 92: 4 red, 3 green; 5 red, 11 green, 1 blue; 16 green, 13 red; 15 green, 14 red, 3 blue; 3 red, 5 green, 2 blue
Game 93: 2 blue, 1 red, 3 green; 10 blue, 1 red, 10 green; 11 blue, 16 green, 4 red; 2 green, 20 blue, 7 red; 11 green, 8 red, 15 blue; 9 green, 10 blue, 1 red
Game 94: 2 blue, 12 red, 10 green; 16 red, 9 blue, 6 green; 5 green, 9 blue, 11 red; 4 red, 2 blue
Game 95: 2 green, 9 red, 1 blue; 2 blue, 1 red; 2 green, 5 blue, 3 red
Game 96: 1 green, 5 red, 13 blue; 1 green, 2 red, 13 blue; 2 green, 2 red, 17 blue; 3 red, 1 green; 6 red, 2 green; 1 green, 7 blue, 4 red
Game 97: 1 green, 1 red, 1 blue; 2 blue, 11 green; 1 blue, 13 green; 9 blue, 6 green, 1 red; 10 green, 8 blue
Game 98: 12 green, 9 red; 12 green, 10 blue, 3 red; 3 red, 13 green, 7 blue
Game 99: 8 green, 10 blue, 1 red; 10 green, 2 red, 6 blue; 3 green, 1 blue, 1 red; 10 blue, 1 red
Game 100: 8 blue, 6 green, 8 red; 7 red, 2 blue; 2 red, 10 green, 10 blue; 9 green, 7 red; 3 red, 7 green, 1 blue

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package main
import (
"fmt"
"strings"
h "git.bullercodeworks.com/brian/adventofcode/helpers"
)
func main() {
inp := h.StdinToStringSlice()
part1(inp)
part2(inp)
}
func part1(input []string) {
allGames := parseAllGames(input)
var result int
for i := range allGames {
if allGames[i].getMost("red") > 12 {
continue
}
if allGames[i].getMost("green") > 13 {
continue
}
if allGames[i].getMost("blue") > 14 {
continue
}
result += allGames[i].id
}
fmt.Println("# Part 1")
fmt.Println(result)
}
func part2(input []string) {
allGames := parseAllGames(input)
var result int
for i := range allGames {
result += allGames[i].getMinimumPower()
}
fmt.Println("# Part 2")
fmt.Println(result)
}
func parseAllGames(input []string) []Game {
allGames := []Game{}
for i := range input {
gameNo, r := parseGame(input[i])
allGames = append(allGames, Game{id: gameNo, pulls: r})
}
return allGames
}
type Pull struct {
subsets map[string]int
}
func (p Pull) String() string {
ret := ""
for k, v := range p.subsets {
ret = fmt.Sprintf("%s%d %s, ", ret, v, k)
}
return ret
}
type Game struct {
id int
pulls []Pull
}
func (g *Game) getMost(color string) int {
max := h.MIN_INT
for i := range g.pulls {
if v, ok := g.pulls[i].subsets[color]; ok {
if v > max {
max = v
}
}
}
return max
}
func (g *Game) getMinimumPower() int {
maxRed := g.getMost("red")
maxBlue := g.getMost("blue")
maxGreen := g.getMost("green")
return maxRed * maxBlue * maxGreen
}
func (g Game) String() string {
ret := fmt.Sprintf("Game %d: ", g.id)
for i := range g.pulls {
ret = fmt.Sprintf("%s%s; ", ret, g.pulls[i])
}
return ret
}
func parsePulls(input string) Pull {
ret := Pull{subsets: make(map[string]int)}
pts := strings.Split(input, ",")
for i := range pts {
blocks := strings.Fields(pts[i])
ret.subsets[blocks[1]] = h.Atoi(blocks[0])
}
return ret
}
func parseGame(input string) (int, []Pull) {
res := []Pull{}
pts := strings.Split(input, ":")
gameNo := h.Atoi(strings.Fields(pts[0])[1])
pulls := strings.Split(pts[1], ";")
for i := range pulls {
res = append(res, parsePulls(pulls[i]))
}
return gameNo, res
}

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Advent of Code
br0xen (AoC++) 4*
--- Day 2: Cube Conundrum ---
You're launched high into the atmosphere! The apex of your trajectory just barely reaches the surface of a large island
floating in the sky. You gently land in a fluffy pile of leaves. It's quite cold, but you don't see much snow. An Elf runs
over to greet you.
The Elf explains that you've arrived at Snow Island and apologizes for the lack of snow. He'll be happy to explain the
situation, but it's a bit of a walk, so you have some time. They don't get many visitors up here; would you like to play a
game in the meantime?
As you walk, the Elf shows you a small bag and some cubes which are either red, green, or blue. Each time you play this
game, he will hide a secret number of cubes of each color in the bag, and your goal is to figure out information about the
number of cubes.
To get information, once a bag has been loaded with cubes, the Elf will reach into the bag, grab a handful of random cubes,
show them to you, and then put them back in the bag. He'll do this a few times per game.
You play several games and record the information from each game (your puzzle input). Each game is listed with its ID number
(like the 11 in Game 11: ...) followed by a semicolon-separated list of subsets of cubes that were revealed from the bag
(like 3 red, 5 green, 4 blue).
For example, the record of a few games might look like this:
Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
In game 1, three sets of cubes are revealed from the bag (and then put back again). The first set is 3 blue cubes and 4 red
cubes; the second set is 1 red cube, 2 green cubes, and 6 blue cubes; the third set is only 2 green cubes.
The Elf would first like to know which games would have been possible if the bag contained only 12 red cubes, 13 green
cubes, and 14 blue cubes?
In the example above, games 1, 2, and 5 would have been possible if the bag had been loaded with that configuration.
However, game 3 would have been impossible because at one point the Elf showed you 20 red cubes at once; similarly, game 4
would also have been impossible because the Elf showed you 15 blue cubes at once. If you add up the IDs of the games that
would have been possible, you get 8.
Determine which games would have been possible if the bag had been loaded with only 12 red cubes, 13 green cubes, and 14
blue cubes. What is the sum of the IDs of those games?
Your puzzle answer was 2727.
--- Part Two ---
The Elf says they've stopped producing snow because they aren't getting any water! He isn't sure why the water stopped;
however, he can show you how to get to the water source to check it out for yourself. It's just up ahead!
As you continue your walk, the Elf poses a second question: in each game you played, what is the fewest number of cubes of
each color that could have been in the bag to make the game possible?
Again consider the example games from earlier:
Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
 In game 1, the game could have been played with as few as 4 red, 2 green, and 6 blue cubes. If any color had even one
fewer cube, the game would have been impossible.
 Game 2 could have been played with a minimum of 1 red, 3 green, and 4 blue cubes.
• 
 Game 3 must have been played with at least 20 red, 13 green, and 6 blue cubes.
 Game 4 required at least 14 red, 3 green, and 15 blue cubes.
 Game 5 needed no fewer than 6 red, 3 green, and 2 blue cubes in the bag.
The power of a set of cubes is equal to the numbers of red, green, and blue cubes multiplied together. The power of the
minimum set of cubes in game 1 is 48. In games 2-5 it was 12, 1560, 630, and 36, respectively. Adding up these five powers
produces the sum 2286.
For each game, find the minimum set of cubes that must have been present. What is the sum of the power of these sets?
Your puzzle answer was 56580.
Both parts of this puzzle are complete! They provide two gold stars: **
At this point, you should return to your Advent calendar and try another puzzle.
If you still want to see it, you can get your puzzle input.
You can also [Shareon Twitter Mastodon] this puzzle.
References
Visible links
. https://adventofcode.com/
. https://adventofcode.com/2023/about
. https://adventofcode.com/2023/events
. https://teespring.com/stores/advent-of-code
. https://adventofcode.com/2023/settings
. https://adventofcode.com/2023/auth/logout
. Advent of Code Supporter
https://adventofcode.com/2023/support
. https://adventofcode.com/2023
. https://adventofcode.com/2023
. https://adventofcode.com/2023/support
. https://adventofcode.com/2023/sponsors
. https://adventofcode.com/2023/leaderboard
. https://adventofcode.com/2023/stats
. https://adventofcode.com/2023/sponsors
. https://adventofcode.com/2023
. https://adventofcode.com/2023/day/2/input

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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green