Day 24: Part 1

Signed-off-by: James Griffin <james@unsupervised.ca>

main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"fmt"
 
-	"github.com/thatguygriff/aoc2020/twentythree"
+	"github.com/thatguygriff/aoc2020/twentyfour"
 )
 
 func main() {
@@ -96,6 +96,9 @@ func main() {
 	// fmt.Println(twentytwo.PartTwo())
 
 	// Day 23
-	fmt.Println(twentythree.PartOne())
+	// fmt.Println(twentythree.PartOne())
-	fmt.Println(twentythree.PartTwo())
+	// fmt.Println(twentythree.PartTwo())
+
+	// Day 24
+	fmt.Println(twentyfour.PartOne())
 }

twentyfour/day_twentyfour.go

@@ -0,0 +1,95 @@
+package twentyfour
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+type lobby struct {
+	instructions []string
+	tiles        map[string]bool
+}
+
+func (l *lobby) load(filename string) error {
+	file, err := os.Open(filename)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	l.tiles = map[string]bool{}
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		l.instructions = append(l.instructions, scanner.Text())
+	}
+
+	return nil
+}
+
+func (l *lobby) layout() {
+	for _, instruction := range l.instructions {
+		north := false
+		south := false
+		x, y, z := 0, 0, 0
+		for i := 0; i < len(instruction); i++ {
+			switch string(instruction[i]) {
+			case "e":
+				if north {
+					x++
+					z--
+					north = false
+				} else if south {
+					z++
+					y--
+					south = false
+				} else {
+					x++
+					y--
+				}
+			case "w":
+				if north {
+					y++
+					z--
+					north = false
+				} else if south {
+					z++
+					x--
+					south = false
+				} else {
+					x--
+					y++
+				}
+			case "n":
+				north = true
+			case "s":
+				south = true
+			}
+		}
+		tileID := fmt.Sprintf("%d,%d,%d", x, y, z)
+		l.tiles[tileID] = !l.tiles[tileID]
+	}
+}
+
+func (l *lobby) countTiles() (black, white int) {
+	for _, t := range l.tiles {
+		if t {
+			black++
+		} else {
+			white++
+		}
+	}
+
+	return black, white
+}
+
+// PartOne How many tiles are left black
+func PartOne() string {
+	l := lobby{}
+	l.load("twentyfour/input.txt")
+
+	l.layout()
+	black, _ := l.countTiles()
+
+	return fmt.Sprintf("There are %d black tiles", black)
+}

twentyfour/day_twentyfour_test.go

@@ -0,0 +1,40 @@
+package twentyfour
+
+import "testing"
+
+func Test_load_instructions(t *testing.T) {
+	l := lobby{}
+	l.load("sample.txt")
+
+	if len(l.instructions) != 20 {
+		t.Logf("Expected 20 instructions, found %d", len(l.instructions))
+		t.Fail()
+	}
+}
+
+func Test_layout_tiles(t *testing.T) {
+	l := lobby{}
+	l.load("sample.txt")
+
+	if len(l.instructions) != 20 {
+		t.Logf("Expected 20 instructions, found %d", len(l.instructions))
+		t.Fail()
+	}
+
+	l.layout()
+	black, white := l.countTiles()
+	if black + white != 15 {
+		t.Logf("Expected 15 tiles, got %d", black+white)
+		t.Fail()
+	}
+
+	if black != 10 {
+		t.Logf("Expected 10 black tiles, got %d", black)
+		t.Fail()
+	}
+
+	if white != 5 {
+		t.Logf("Expected 5 white tiles, got %d", white)
+		t.Fail()
+	}
+}

twentyfour/input.txt

@@ -0,0 +1,556 @@
+seseseseseswsesesenwseseseswenweeese
+nwneneseswneneweeneneeeeneeneene
+swswseswswswswswseseeswswswswseswsesww
+nwsenwnenenwnwnwewnwnwnwnwnwnwwnwnwnw
+sesewseesesenwnewewwnewseeseseswsene
+eneneneeewswnenewsenenwnwnenewnene
+neneneswseseeeswsw
+newneeeeneeeeeeeene
+wnwwwswwwnwewnwwsewenwwwwnww
+swewswswseseseswseewseseseneswnewwsesw
+nwswnwsenwnenwwnwnwnwwnwwnwnwnwwnwnwnw
+swwwwwnewwwwswswwwwwwseswsww
+wwwewwwwswwwwwwwwwswsw
+wnwnwnwnwnwnewwnwwnwnwnwsewswwnwww
+sweswnwwwnwwnwnwnwseenwnwnwnwnenwnwnw
+nenwwwsewnenwwwwwwnwwnwwswnwnww
+eeneeesweeesenwneneeeenweeeene
+enwwswnwwnwnweswnwnwseswnwnwnwsewnenenw
+nwnwnwnwnwswnwnwnwnwnwnwnwnwnesenwnwnwnenw
+nwswwsewswwwwww
+sesweseeneeswnweeseweseswsesenwnw
+sewswwnwneeswswnewswswswwwwnwswwse
+enwnwswnwnenwnenwswneneneneneswnwsewnenwnw
+nwnenwnwsenwnwnwnwnwwwnwnwnwnwnwnwnwnw
+seesesesesesewsesesesesesesesesesesesene
+swneneseswsewswwsenesesewswwnewswseswne
+swnwswsenesewneswswnwswsewewswseswnene
+wwswwseseswwnwnww
+esewnwseseswnweseesenwswseesesesee
+seeneneneseenenwsweeeeeeeewe
+seseswseswsewseseswsweseswseseswswsese
+swneeneeneseneweesewne
+nenenenenenenenenenenwnenwsenenenenenene
+neneneswneneneneneneswnenenenwenwnenene
+wewwewwwnwswswnwewwwwwwwsw
+seseseenwsweeeesenweneeeseewse
+neneneneenenenenwnenenenewnewnwnwnesenw
+nwnwnwwewwseswnesewnwswwseswenene
+wwswswswswswwswswsweswswsw
+nwnewnwwsenwnwnwnwwnwwnwsenwwwnwwsenw
+swweeenwseeseseeenwweseeseseeese
+nwnwnwnenwnwnenwwnwnwnwnwnwnwnwnwnwnwe
+nwnwnwnwnenwnenenenwenwnwnwnwswnwswnwnw
+wwwswwewwwwwwwwwnwwwwwsw
+neneneneneeneeneenenenesw
+nwswneeneeneseweneeweneneswnwswneswse
+seeswwenwneeneeeneeswneeswsenwe
+weewwwwwswwwnewwwwnwwwsww
+wneseewneweswneneneneneneeswnenesene
+swnwenwenwseswneswewnwwnwwsenwnwe
+wsewnenenenenenenenenenwnesesenenenene
+nenwneneneeneneneswnenenewneenenenenene
+eswswswwswnwwswswsweswnwswswswwswe
+seeseseseseeeswsewnwneseseesesesese
+eseenwseseesweeeeseeweeeesee
+eenewneeneneeneeneeswneneneswsene
+nwnwsenwnenwnwnwnwnwnwswnwnwnenwnwnwnwnwne
+wnwwnweeseswnwnwsweesenewnwnwnwnw
+nesweneenenwnwneneswneneseewene
+nenenenenenenenenenenwsenenenwneneneeswnenw
+swswsweswseswswseswseswswswnwnwsenwswsee
+wwnewwwwwsewwewsewnwswwnwnew
+swswswseswswswswswseswswsewsweswseswsw
+eeneenesweeeeeeeeeneenweee
+nwwwwwwnewnwwwwswwww
+nenwnwneeneswnwnwnwswnenenwnewswnwswnw
+eseseenwsesesesesewsesesesesesesesesese
+wwnwwnwwnwenwwnwnwnwnwnwnwsenwswnw
+sesewseseeeneewesenwseeseenesee
+seeesewsesewwneeeeeseeeeenenw
+wswswswswswswwswwwswewwwswwwsw
+eswwswswwwwswswseswwwnewwwwwwsw
+weseswseeswneseswwsewswseeewnenwsw
+nwnwnwnwnwnwenenwnwenwnenwnwenwnwwswsw
+senwnenweesesewwesweeeseneneew
+nwwnenenenwneeneneneswneneswwsewseene
+wswwwewswwewsw
+eswneeeeeeeeswneeneeeneenwe
+nwseeswnwsesweseseseseseeneswneseseese
+eeseesenweeee
+senwnwsenwnenwnwnewnenwnwsenenwnwnwswnw
+neenwsesewnwnewnwnenesenenwnewseswnene
+eweeenwesweeeeeeeseeswneee
+eeeswnweeeeneeeeeweeeeee
+nwnwnenenenwneneswnwnwnenenenwnenwnesenw
+eeweeeeeseseeeeeeeeeee
+wswswwsenwwnwneewesewswwnewnew
+nenesenesenwnenenwswwnwnenenenenenenee
+nenenwenwnwnwnwswnenwneneswnwne
+wwswswswwswwwneswwnewww
+enwnenwnwwnwnwnweswnwnwnwnwnwswnwnwnene
+seseswswswseseswseseseswsesenwseswseswe
+newnenwseneeeneneswnenenenenenenwseenee
+eeswseeswsesenweeenwsewsee
+wnwnwenwnwwnwnwnwwnwnwwnwnwnwwnwnw
+nwnwnwnwnenwnwnwnwnwnwewnwnwsenw
+swswnwsweswswswswswswswswswseswswswsw
+swswwswswswwswswswswswwswwswswweesw
+swswswesweswnwswwsenwseswswewnwswswswne
+wwwnwwwwewwwwwwwwwwew
+wwnwwwwwnwwwwwnwwnwsewnenwnw
+nwnwnenwnwnwenwnwswesenwnwswseneneww
+newseseesewseweenesesweneewswe
+wenwwewswnwwnwnwwwnwenenwsw
+neeeeneneneeeenwneswswneswneenesw
+seeseseseseswseseeseneseseswnwnwsesewese
+eeeeweneeenweenenweeesesesesw
+eswnenwneeneenesenenwneseneenwswnenenew
+nenwnwwnwnwnwnwenwnwnwnwswnwneneneenw
+nwnwnwnwnwnenwnwneenenwnwnwwnenwnenenw
+eeeseeeeeeeseweeeewsee
+wnwwnwwnwwwwwwnwsenenwnwwwnwww
+eseseneesesewnwesweneneswsenweewsw
+nwnwnwenwnwwnwnwnwswnweenwnwnwnwnwnww
+nenenenwswnenwnenenenwneenenenesenenenene
+neeswnwnenenenenenenwneneneneneneeneswne
+swseenenwneeneeeeseneenwnenenenee
+neswnwnenenenenwnwnwseewnwnenwnwnenene
+senwseswsweseseseseswsesenwnwseseneseenw
+eneeneneeneswswewneneeswneenwnenw
+neenwwneswswsesenesewwsesesesenwwe
+seseneseewseseeesewseseseswnwsesene
+sesenesesesesesewswseeeseseseeesese
+wnenenwnenesenenenenenwneneewnenwsesenw
+sesesesesesesenwseseneseseseseseswseswsese
+sweswneswswswswswswswswswswswswwswwswsw
+nwsweswnwnweseneswsesenewnenwswneenew
+neeneneenesweeseenenenewneesweeene
+neneeenewwseewneseeeseneenwee
+seseseseseeeeeeeseweeseseese
+enwswneeeneeseneeneeweeeeenesew
+eswswswswswswwnwseseswseeswnwseswswsw
+nwewswswwswswswnesewseswswnesweswsee
+nwnwenwnwwsenwnwnwnenwnenenwnenwnwnwnwsw
+eneneneneneneenenewneneneeneneneene
+nwnwnenwnenenwnenwsenwnwnwnwnenenewnwswnenw
+wwwnwwswnenewswwseswwwnenewsew
+ewwswneenenenwswwnwewenenenewese
+nwenwnwnwneseseswnwnwnwswswwneswnwnenwne
+nenwenwsenwnwneswnwswnenenwnewnwnwenwnw
+wnwnwenwnwwnwnweneswnwnwnwswnwnwnwnwnw
+eneeswneenewneenenenewsenwnenee
+enwnwnwnwnwnesenwnewnwne
+nwwnwwnwnweenwsenenwwwsenwwwswne
+wwwnwsweewneswweeswweswsewnw
+swseeswwneswseswwswseneswnwswswswwswswsw
+enewenweswsesesesewswneeenwwwse
+senwnenwnwnwnwnwnwnwnwnwnwnwnwnwnwwnwnw
+wsewnenesenwenwswnwnenwswnwnwnwwenwe
+wnwwnewwnewwnwnwsewnwnwsweswww
+seswswseseseeswnwnwsenweeswnwseswsesese
+nwnwwnwneseweenenwnwnenwswneeswseswne
+swnwnwswswswswswswswseswseeseseswswsese
+nenwnenenwsenenenewnwnwnwnwnenenesenenw
+swnwwwwesewweewnwwesenwnwnwnw
+swwswseneswwneswsenenenwswneseswswsenenesw
+nenenenenenwenesenenenenewnenwnwnenenwne
+swnwwswwwswswwswwswwwwseeswsww
+eseseseeseseseweseseseseseweee
+swsweswswswseswweswnenwswenwwswswne
+nwnwnwnwnwnwnesenwnwnwnenenwnenenwnwnene
+neswwwwwnewwewseweswwwswww
+seseswseneseeseswnwseswseswseswseseswse
+sweeeeeweseeeeenwenw
+swnwnweewwnwsenwsenwwnewswnenwnwsw
+eweeeneenwwseneneswnesewnwseesenwne
+swswswswnewwwswswsewwwnwwswweswsw
+nwnesenenwewsenwwneseseneswnenenesenw
+ewnwenenwseseeneweeesewsw
+eeeenwenenweeenweseeneseeseee
+esenwseesesesesesweee
+sesesenwseswnwswsenwseseenesewsewnwnw
+wnwwwwwwnwswwwwewwwwwwww
+nwnwsenwnwnwnewnwnwnwnwnwnwwenwnwnwnw
+wsewwswwneswwswswwnewswswwwnese
+nwnwnwnenenenwnwnwenwwnenwnwnwnwnenenw
+nwnwnwnwewnwwnwnwwnwnwwnwnwnwenwnw
+wswwswswsewnwswwswsewwwswwswnew
+eeewseeeeseneeweeeeeeee
+nenenenenenenenenenenenenenenenenenenesw
+nwnwnwnwenwnwnwnwneswnwnwnwseenwswwnw
+senenwswnenenenwnenewnesene
+seswseseeneseneseseeseseseeseseswese
+nenwswnwnwsenenwsenwnwsenwnwneswnwwnwenwnw
+eeweseneseseseseseeeseeese
+swewnwwswwswswwwwwwnwwsewww
+swneneneneneeswwnewswseneswneneenenenene
+eenwneeneneeseswseneenwnenenenene
+sewswsweswseswseenwsenenesese
+seswseseswseseseseseseswseseseswseseenw
+sweeeeeeeneeseeeseseeee
+seweneeswnwneeeeneneenewnesenwne
+swwswewwnwnwwnwwewwwwwwnwnwwnw
+neneneneneneneswneneneneneneneeneneswnene
+wwwnweesenwnewnwswnwnwnwwnwnwnwww
+wswnwnwnenwweswewwswswwsewswwsw
+sewseseseeeeneseeeeeeeeesee
+senenewneseenwneneneneeswnenenwnewnene
+neneneeeseneenwneneenwneseneswneeeww
+swswswswswswswswswwswswswswsweswswsesw
+neswwwswwswwwwewswswewsewswwnw
+neneneesweeneneneneneewnenenwnenenene
+eswswnenenewneseneneeswnewneesenenene
+nwnwnwnwnwnwnwwnwwwnwnwnwswnwwswenwne
+seeseesenwswnwesweseneneeeseeeee
+eeeeneneneneeneneewneeeseene
+seswwswswswswsweswwnwsweswswswswnenw
+wwwwneseswwwnwswsewswwswwwswsww
+wswnwswswswsesewwwwwswwswwneww
+wseswswewswswswswseswewswseswswesw
+swnweswwwwswswswswwswww
+wswwswwswwswswwnewwsenwwwwswew
+neseneenewswwesweneseese
+wwwsenwswsewnwnwesweenwwswwnwww
+wswnewswsewnwswwswswnewswswswswswwsew
+swwswwneseswswswww
+neneswnweseenwswneenenweeeeneenee
+eenenenwseewseesewswseeeeseeew
+enewnwwnwwnwwseneswwwwswnwwsenwnwne
+eweseewseeseneneseeseeseenwwsese
+neswwswenwwwwwnesewswneswwswsesw
+nwnenwnwnenwnwnwnwnwnwnwnwswenenwnenwnw
+swnenwnwnenwnenenwnwnwnwnwnwneewsenwnenwne
+nwneenwnwnenwnwnwnenwnenwnwnwnewnw
+swswseswswswswswswswnwseswswswneswsenwsesw
+nwnwnwnenwnenenwnwnwnwnenwswnenwnwnwnenw
+nwwnenwnwnwnenwnwsenwnwnwnenenwnwnenwne
+neeseewwswseenenw
+swwseswswswneseswswswesesenwswneswsesw
+newnwwwnwnwwwnwsenwwnwwwesenwnwnw
+eswseseswwswseneswsesesesesesenwsesesese
+eeeeeeeeeeenweeeeseeee
+eesenesewseseeseeeseseeeeseesese
+wnwnwnwnwnwenwswnwwnwnwnwnwwwswnwnwnew
+nenenwnwnwwesesenwwswnwnewswswswenw
+eeseeenwnwswswewnwsweneeenwsenee
+eseenwsesweseweeseeseseeswsesene
+sesewseneseswsesesesesesesese
+nwnenwnwnwnenwswnwenwnewnwnenenwswneene
+wwwwwswwwnwwwwwewwwwwww
+eseesewseeeseseseeseesesesenesesee
+swswewwewwewsw
+swseswnwswseeswseswswswswswswswseseswswse
+wnwnwwwewwwwwwwswnwnwsenenwww
+swswswswswswswseseneswswswswswswswswsww
+wenwwewwwswsweswswsenwwswwneew
+nwnwneeneswneneneewneswnwneneswnwswnw
+wsewswnwnwnwwenwnwnwnwnwnwnwewnwnesw
+swswswswswneseswswswswnenwse
+eswnenenwseswseseswseseseswseswneseswnw
+enenwnwsenwnwnwwneswnenwnwnwnwnwnwenw
+sewsesenesewewseseseseseneweseseewse
+sesewseswseseswseseseseseswswswseswsenese
+neesenenenwneneenenesewneeneeewnw
+senenenesenenewwneneenwneneneeenenene
+wwwwwnwwwwwnewsewwwwwww
+swseswwswswswnwswneene
+sesesesesenenwsewseswnesenwwsenenwsewne
+nwwwwwwewwww
+neneeneeeeswnenenesenwneeneneenenew
+eweeeeeeeseneeeeeeewee
+newnwnenwnwwwwwswwswwwnwwnwwwnw
+nenwnwenwnenwnenenwnenenwnwsenwnwnenew
+wswseenenwnwwneswnenwwnenenenenenee
+swswnwsweseseswswswseseswswswseswswseenw
+seseswswnwseseswwnwsweseseseseseeseswe
+nwnwnwwwnwwnwwwnewwwnwsesewnwwnw
+swswseweeswswswsewswswnwwwnwenenwsww
+eswswesesesesenweseseseseneneseewsenese
+wnwenwwwwnewwwwnwnwwwwsw
+seeeenwswwsenwsesenwswneswswwwswe
+nenesewwwswswswnwswswnewswsw
+neseneseswseeseseewswwsewswsenwswswsw
+eeseeeseweeneeeeeeeeesesee
+sesweenenenweeseeswesweseeeneww
+nwnwnenwnenwwswswnwwwse
+nenenwswneneesewenenwesenwnenenesene
+eesewnwseeneeeeeneseesewwnwe
+swenesesenesenenewwnwnenenenesw
+swswswswswswswswnwswswswswswswsweswswswsw
+eseneswseseseseseseswswsesenw
+swsweswswsesenwswswnewswswswswswswnwswsw
+wwwneswwswwwneswwsewwswwwwsw
+nwnwnwwnwnwnwwnwnwnwnwnwnwenwnwnwwnw
+wswwswwwewswswswneswswwwswwwwsw
+nenwnenwneenwnenwnenwnwswwnenenwnwnenwnw
+seeseseeseeseseweeewnenesw
+senwnwnwnwnwnwnenwnwnwnwnwnwnwwwnwsenw
+enenesenenwwesewee
+swnwswnwneseenenenwswnwnewnenwwnwneesene
+swswswseswswswswswswswswswseswswwseesw
+swwswnwwwwwwswwewe
+wswenewnesesenwswseswseeneneenenwnenwe
+wwnwswswewswewww
+seseesesesesewsenwseneseseeseseeeww
+swseswswswswswseswswseswseswsenwseswswse
+wnwwwwwsenwnwweswnwnwsenwewwsw
+nenwnwewswnenenenenwnwswnwnwnenenenenwnw
+wnwwnwnwnwenwseswnwswenwwwnwwnww
+neenwnwswnwneneneenenenwsewneswnwnenwnw
+wwswswwwwwwwswwwwnewswnewww
+wsenwswsweswewneenweswsenwneneese
+swseswnwseseswseseswseswswswseseswseenwse
+seswswseneswsesesweseseswseswneswnwwswsese
+nenwenwwnwneswnwenwnwnw
+neswewnwnwswneenwsenwswnwnenenwnwenenw
+eswswnwnwnenwwnwnwswnwnwwnenwnwnwsenw
+nwnwnenenwnwnenwswnwnwnwnwnwnenwnwnw
+wwwswwwswwwwweneeeswwwwne
+eeeenenwneneneneeneeswneeneweee
+nwnwnwnwsenwswnwnwnwnwnenwnwnwnwnwnenwnww
+swsesesesesesesesesewesesewseseseseseswne
+seseeeseeeweeeeeesesewsesee
+seswneseswneswsenwenewwsenwsenweswswene
+swswswswswswswswswswswswsweeswnwsesww
+swwswswswswneswswwswswswwswwwsw
+swnwseswswswswswwswswwswswswswswswswsw
+nwnenwnenenwswneneneneswnwneenenwnwnenwnene
+nwnwwnwnwwsenenwnwnwnwnwwnwwsenwsenw
+seseeesesesesesesesenewseeewsewse
+swswswenwneneeeenwneenwnwsenene
+seseswsewesesesesewseswsenweenwsese
+eweeeeesweeenweeeeseee
+eseswseswsenwswseswseswswswsw
+ewnwwnewnwwnewnwswswnwsenwwnwwwwe
+esesenweseseseseswseseseneseseesesenwse
+wsweswswwweswwwswswswwwewwswnw
+nwnenwnwnwneenenenwnwwnwnwnwnenwwene
+seewsweesenwnwwsee
+swneswwwswnwenwewswnenwwswseewswswe
+eeeeeeeeeeeeseeenwee
+sesweeeeseenwenw
+wswswswwswwnewseenwswnewswswswswwsw
+seswseswneswnwnenwse
+senenwswswsenwswseswsenwneeseseswseswse
+nwswswswseswneswswseswseseseeswsenesesw
+weweswwwswnwwwseswwwnewwnwwsw
+neeneeneswneeeeeeneneeneenweene
+nwnesenesenwseesewseseseseswesenwew
+sesesesesenwnweswweseeeswseneeese
+wnwwwewswwwwswewwswwwwnwwww
+wswwwswswewwnwwswswswwwswwswww
+eeeeeseseeeeneeweeseeenwee
+seeeeseeeseeeeeeesesesenwee
+seesesenwwswseseneseseswseseseseseseswsese
+newwwwswwswwwswwswweswswswsww
+nenwnwswnwnwnwnenwnwnwnenenenenwnwnenenw
+wwsewwsenwwnenewwnewsenww
+swswswswswswswswseseswneseswswswswseswenwnw
+seesenwnenewseseswswswwnwseseesesesese
+enweseneeneeseeneeeseeweewwee
+eeweeeeeeesesenewnwseseesesese
+wswsenesesenesesewseenwswswnenwswnwenenw
+eswseswesesenwewswwnewnenweswsese
+nenwnwneswnwnwnwnenenwnenenwnwnwnwswnwne
+nwnenesenenwwneewnwnwnwwnwnwnwnwsenw
+seswseswswseseswswneswswswswswswswswsw
+nenwneneenenenwswnenwneswneenwneswnenenene
+seswswseseswseseswseseneswswseswswseswse
+swswseswnenwswswseswswswswseswseswswswswsw
+wswwswswwneswswwsweswswswwswsw
+nenenesenenwnesenesenenewnwnenwnwnwswsenw
+wneenenwnenesesenewnwswnwenwneswnene
+sewenwwwwwwseenwnwnwwwnwswwnwne
+ewwneeneneeseeesewneneewnewne
+nenenesenesenwwneneswnwnweneswswsenwne
+weseeeeseeeneneweseseswsewwnw
+nwwwswwswsesewswnwswswswwnweswswe
+weswwwewwnwwswwwnwseewwwnw
+seswswseswseeseswswnwsewseswswnewswswe
+sesenwswesenwswseseseseseswswswswswswswsw
+wnwnwesewsesewwswnwnwwewnewwnee
+seseeseswwswswseswsw
+swwnwenwseneswwneenwnewnwnesewswnesee
+nwwnwnwnwsenwnwnewnwnwnw
+esesewneseeeeeeesee
+senwnesewnwnwnenwwswnwwnenesenwnwsww
+seswsewswswesewseseseseseneswswsesesw
+neseseswwenewswswswnwswsewsesesenesw
+senesenwnwswsesewseseswswseseseseswsee
+enenenenewneeeneneneneenenenesenenene
+wwwwnwnwnwwnwnwnwewwwnw
+wnwenwnwnwnwswnwsenwseswwenweenwnwsw
+nwnwnwnwenwnwnwnenewnwnwnenwnwnwnwnwnw
+seseseenwswnwswswswswseseswneneseswswwsw
+neeenwnenwwwnewnenenwnwnesenenenenw
+swsenwwnwseneesweswseneneeeneenwwswse
+eeeeeseneneeeneneneneeneweesenwe
+ewseeswneewenenweeeweneneeeene
+swswswswswseneswwswswseswseseseswseswsee
+eeeseseseseseseesenwseeeseseseswsese
+nwnenenenenewnenwnenenwneswseenenenenenenw
+swsesweseswswsenwswseseswswseseswswnwse
+senenenewenenenenenenenewnenenesene
+nesewseneswwsweseswneseseseswnesese
+nwnwnwnwnwwsenwesenwnwnwnwnwnwnwsenwnwnw
+nenwnwwnwnwnwnwnenwnwneenenenenenene
+wswwsenwwswswwewnww
+wwwnewwswwwwwwsewwwwwswww
+wswseseneswewseneswswnwswswsenesenwswe
+wnwnwenwwnwnwwswswwwnwnwwsweenwnwnw
+wswweswwwswnwswswwwwseewswswwnw
+swswwwwnwswsweswwswwswswswswswwsww
+neseneneeweneneeneneneneneneneeswnenw
+nwswswswswswswswswswsesw
+nwnwnenwnwnwswnwnwesenwnwnwnwswnwnwswnenw
+neswwswseswseneswswseswswswswswswseswswse
+swseswsweswswseseswseseswswswswswswnwsw
+swsweswesweneeneswneenwneneneneene
+seseseseseswsenwseseseseswsese
+swwswwewwnewwneswwswwwnewww
+neneeeneneeseenenweeee
+enwwwswnwnwnewswswwnwwweeseww
+nwneeenenenenesenweseeneeweneswsw
+nenenewneneneneneneneeenenenenenenene
+seeseseseseneseeeseswenwnweseswnwseee
+swneswseswseswsesenewsesenesewenesw
+nwnwwwwwnwwewwnwwwwwwsenwnw
+swswswwsewswswwswnwwsweswnwswwwww
+seswseseswseswneseseenwseswwsw
+newnewesewwswsewnw
+weseesesewneseseseesenesesesesesewse
+eeeeseeeeeneeeenenewe
+wswwseswseneswswswswnesweseswnwswswswe
+eweeseeeeeeneneeeseeseeseswese
+nweenwwnwnwwnwenwnwnwnwwwswwswnwse
+wwwnenwnwswwnwwwwwnwnwnwwnwwnenwse
+enenenenenewnwnesweseewenenesenee
+esewswnwenwwnwnwnwnwnwnwswnwwwwse
+eeweneswenenweswnesweneneeneee
+wseneeseeesewnwswswnenesewneswee
+swneeenenenenenwnenenenenenenenewnesene
+nwswswswwswseswswswswnwswswsewwswswsw
+neenwnwnwnenwnwnwnwnwnwnenwnww
+eeeswenweeeseeeeeseseeeee
+swseswswswseseswseswneseseswswswsese
+nenwnenenwnwnenenenwswnenwnenwnewnwenene
+nwnwseseseswswseswswseswsweswswswseseseswse
+swnewwwwswwwwsww
+seseseswsweswswswswseswseseswseswswsww
+nwnenewnenwnwnenwnwnenenenenenesenenenwnw
+nwenwnenwnwsenenesenwnwswnesenwneew
+swwswwseswswswswwenenenwsene
+swswsweseseseseswseswswseswnwswnwseswsenw
+wsesenewnewnwwwnwsewnwsewwwnwww
+sewswnenesewswenwsenwswneseeneseswsw
+swwnwswnwwnwsenwnwwwnwwenenwwnwew
+seseseeseswneeseseswesesesesenwswwne
+neneeeesenenwnenweeneswneeweseeene
+swwswswswsewwwswwnenweweewsewnwsw
+seeswseswseseseswseseseseseseswwswnese
+esweseseseseseeseseseeeseseseeseenw
+wswwswwswswswnwswswswswew
+nwnwnwnwnwnwnwnwnweenwwnwnenwsenwnwswnw
+eeenwnenewneeeneeeneeeeswneneee
+nwwnwwnesesweswswswwseseneeswsweewsw
+neweneneeneneneweneneesenenenenenene
+nwwnweswnwnwswewnwewenwewwwnw
+seswsesesenwwseswneseseseeseseswse
+wnwwwnwwwwnwwwewwwwwwww
+enwseseseseswswsesesesesesesesesesesesesw
+wnwnwwnwnwewnwwwnwwnwwwswnw
+eseswseenwneenewnwnwesewnweswswsw
+neseswwswwwswswneeswwnweswseswnwesw
+seeseseseeenweseeseseeseeswseeese
+nwseeseseweseseseeseseeesewnwsesese
+swswswseswnwseseswswnwnwsweswseseswswsesw
+wweenwswwnwwwwnwnwnwwnwswnwwne
+senwwwnewwwwwwswwnwwnwsewwese
+swswswswswswswswwswneswswswswseswswswsw
+wswswswswswwswwwsweewwswswswswswsw
+neneneneeewseneneneneneeneneneeswne
+swswneswnwswswswswseswnwswswswwswesese
+swwwwwwswsewwwwwenewwwww
+nwswwwnwswnewsenwesenwenwnwnwesene
+nenewwwnenwweswswwwseswswswwew
+seneseseseswswseseswsesesew
+swsenwweswwwnewnwnwenwseswsenwswesene
+nwnwnwnwnwnenenwnwnwnwnwnenwnenwnwnwnwse
+swswswnwswswseswswsweswsweseswswswsewsw
+wwswseseseseswweswseeswseswneswswse
+sweseswswsesewseseseswsenwneswnesesesese
+nenenwnwnwnesenenwnwnenwnweswnenwnwnene
+eseneesesenesewsw
+seseseseswswsesesesesesewnwseseswswsenwne
+sweenenenweeneenene
+swwesweneenweeeeese
+wseseswseeseseswseneseswnwswseswwswseswse
+nwseseeseseeseeseeeenwewwewe
+wswswwseswswwswswswswwwwswnenwwsewsw
+seswswnwswseswswswswneswnewsweswnwnwse
+seswseseseswseseswsenwswsesesesesesesesw
+nwsenenwseenwnenenwneswnwnwnww
+nenwwwnwnwwwsewwwnwwnwwnwnwswnwne
+eeeenesweenenweeene
+eseweswseeesesesesenwwnenwsweeeese
+ewwwwwwwsewwwwwwnwnwnwnwww
+seswseseswseesesesesesewneswseseswswsw
+wwwwwwnwwwwwewwwwswwweww
+newnewsewswsewenwnwwswneswewesw
+eneswneswsweeenwswnwswnwnwswswswsw
+sesenweseeseeeeeeee
+swswenwnwnwwenwwswsewneewseeswsesw
+wneswwwnewwneswwseswwswswwwnew
+swwwswwsewseseneswnwneswwwwnwww
+eswnwswnwneenwneneseneseswneneneenenenw
+senewnwnwsweneswseeneseeewewswneswe
+swnwseseenewnenwnewne
+neneneneseeneeneneewneneneee
+nwnwnwwnwnwwwwnwnwwnwnwwnwwsenww
+swwneeneswswseswwsweneswwsenwswswswsw
+neneswnwnenewenwnenenwsenwnenenwnwnw
+seeeseseeeseeeesewsesee
+wsewswwsewwswnesewwnwwwenenenwnw
+esenweseeeseeeeseeeseeesweenw
+enweeseseenwsesenweseseswnwse
+eewneewwneeneeneneneseneneenene
+sesesenwneswwswswneseseseswswswseseswsene
+weesenewnwswswswnweswswseswsww
+seseseeseswseeseseseseseseswsenenwseese
+nwwewswwsenwnwsenwnenwnwnwenenwsenesw
+seeeeswenweseeeswneswswenwswnwwne
+swswsenwseenwsenwnenesewnwwene
+eeeeeenweeeeeneseseeeewsese
+nwenwwnwnwnwwnwswwwnwwnwwnwnwwwe
+nwsenenesenwneeneswnwwnwneseewsewse
+swwsenwnenwnwnwsenewsenwsenenwewnenese
+wwwwewwnwwwwwwww
+neneneneneeneenwneneeneneneeneswnene
+senesesesesesesenesesesesesesesesewsesw
+enwwswwnewswenewsewsenew
+nenesenwwseneneseneneneswnenenenewwnenenw
+eeeeeeeesweeeeeseeeeneenw
+nwnwwnewesewswsweewwwswneesene
+seseeseseeeseewseseeseseseneseee
+swenwnenwnwsesewswswnwnwenwnwnwnwene
+weswnwswswseseeeswneeeswenweenene
+swseswseswsenwseseseseswswswseswsesesw
+eseneeswnwswwneseene
+swswnwswswswswnwwwswnesesewswwsesw
+eeweewsenweeeeeesenwsee
+seneseswswweswswsesewseesw
+weeeeseeseseeeeseeeseseseee
+nwsenwswnwnwnwnwewnwwnwnwnwnwwnwwew
+enwnwswseseeneswseswswnwseswswsese
+neswnwnenenwnenwnenenenenwnenenenenenenw
+wswswswswnwswswswswswswsweswswswswwwsw
+eeeneneeeeeneeesweweeeene
+eneswnwneweneesw
+wwwesewswswwwswwnwwwwwswwsw
+nwnwnwswnenwnwnenwnenenesenwnwnwnwnwnwnw
+eeseeweswseeeeeeeseesenesenw
+eweeeneneeeneeseeeeneeeneene
+neseseseneseesenwsewsenwseseseseswsesesw
+swswenwnewnwwwsenwweewsenwweww
+neswswswswswswwswswswnwswswswswsweneswswsw

twentyfour/sample.txt

@@ -0,0 +1,20 @@
+sesenwnenenewseeswwswswwnenewsewsw
+neeenesenwnwwswnenewnwwsewnenwseswesw
+seswneswswsenwwnwse
+nwnwneseeswswnenewneswwnewseswneseene
+swweswneswnenwsewnwneneseenw
+eesenwseswswnenwswnwnwsewwnwsene
+sewnenenenesenwsewnenwwwse
+wenwwweseeeweswwwnwwe
+wsweesenenewnwwnwsenewsenwwsesesenwne
+neeswseenwwswnwswswnw
+nenwswwsewswnenenewsenwsenwnesesenew
+enewnwewneswsewnwswenweswnenwsenwsw
+sweneswneswneneenwnewenewwneswswnese
+swwesenesewenwneswnwwneseswwne
+enesenwswwswneneswsenwnewswseenwsese
+wnwnesenesenenwwnenwsewesewsesesew
+nenewswnwewswnenesenwnesewesw
+eneswnwswnwsenenwnwnwwseeswneewsenese
+neswnwewnwnwseenwseesewsenwsweewe
+wseweeenwnesenwwwswnew