diff --git a/2023/day3/data b/2023/day3/data
new file mode 100644
index 0000000..73e32db
--- /dev/null
+++ b/2023/day3/data
@@ -0,0 +1,140 @@
+.........874.772...........787..........556.....292......141................910............54...............................................
+.......*..*.......314............308.......*....*..............156.759.....*................*.......408*954.84..55.......................515
+......927.49...........734...............115...738..=....723..........*...599.......+........573.....................324..../508............
+........................*.....222..................298....+........313.............504...../.....375.................................114....
+.962...262............988..........*170.....................543...........61............827..244.&..................610......310....#.......
+...*..........129...............243...................809....&...+.........*...742............%....*96..100.....766...*..308....*......37...
+..2...295....../........*336..*......#..185...........*.........502......301...*.......................*...........-.770..-...599...........
+.......-.............343......750..661....%........+..323.....1..............480.........+..............198.......................533.../764
+..................................................799.....832.......640.................413...392............597.................=..........
+......$795...678....954.....*96...........671.%..........*.......23....@.536..................*...450..........*.....427..............413...
+..314...........*.....+.827.......757.550*.....475.148.614.........@......$.......*429.....849....*...%584....706....*..........248...*.....
+.......246.......830....*..........................*.......52..................663...............55...............606........%.......72.....
+......&.....378.........342....10.849............394.....&...*.....697*............................./629...700........=.......217...........
+........208*......*783.........*...*.......496.........108...757..............564..............................904....448...................
+..../..........716............428..28..879*..........................*506.823....*690......53...................*.............291......357..
+..920.@172.........869..................................185.......809......../.............*......*821.......296..............*.......*.....
+...........965........*...................669.793........................*................238..609......465.........504.....574..970=.575...
+...................520.....................*.....&......................2.44..*......*..............@...*.......254*.....17.................
+............574../.......*..............894...........939....236...875........92..873....555.825*.543..344..483......677*......123..........
+...257..../.*....301.....83......*929........+.......&.............*...=...#..............#...................................*.............
+.......218...648...../.....................533.683*....419........76.461.268......915...............523.....482.............788........845..
+..................846......405.807.................693....%...................668*....193$....*......*.....@.......368.67..........703*.....
+................&.............*.........752.988......................967*..................652.746.772...6........*.........................
+....638.....769.829....*...97......536.#..........................&......786......@......................*......440.........................
+....*........*..........55...*......*...............598*387.......744..........141....254*......157.....977..32...................606.392...
+...682........268............134...187.........25.........................................561.....*............*.................*......*...
+.......718........773............................*.....781...380......856....445......601.......71..........884........949*13..888.......277
+.......*......487*.......$....$........8..@613....868.....*.....&....*............899*....*994........116............................806....
+....807.............441..848.692.-13...*...................723........646.....525...........................*............289...........*.957
+........-......891.....@.............185........672............................*.....626..937............838............@...........698.....
+....634..418.....@.......75.430................*.......588-....815..56*685....714...@....*........+................385*.....................
+620..*.......720....580........*521.772...222..763.888...........*........../..........537.818..534....................370..942.384...991...
+.....462.......*...&.......118......*....................915.....797......255.....734........*.................*.............=.....-....*...
+...............529..........+..701#..56.......@447..@......%..........-..............=.....197..../..........37....223.................186..
+............#......................................702.846...........791..85..698..............755......458........#........847.............
+.........993......916...@669.....493.........&...........*.....*..........*..-...........921...........$...............100...*..717.....489.
+..................-................*.456..634.........202....=.815.......769................*...................300.....#..649...*......*...
+....................762................*........211.......164.........27............817.286.....@493..............*............@..422.837...
+......470.............*...............160...........560.......962.....*.....431.909..*..*...712.........852....838.........64.614...........
+........*........404...406.=561....98........@........-.195.....*...320..........*..922.777..*.............%.&.........530..................
+.71.....680.-79.....*..............*..859....625...............300..............465....................515...795...111.....646@.............
+...................13...545.....386....*...............................865..........537.815........731.*.............*..........=.572*......
+...........173.......................324...............................*...../.......*.....*157......*.480........175...662$..471.....136...
+.....443*6...*...........*165....481............211/...373*297........470.....982..402............895........54.............................
+...........11...&.....848...........@..........................@769.......................120...................555*........%........734....
+..............827..........723...........178.............308........659............#492......*.............10.......80.......966.....*......
+.....438-........................$.........................$./......*....%196..............299...393......*..............78.........629.....
+.......................743....200...............243..702......447....775.........328.......................274.......360*.......459.........
+....723..........514..../...........479......76*......*.........../......&....../......861...........$807......................*......+.....
+.......*.....987................226....*.........#..867..........481......165......415*...................212...%649.....923-...685....346..
+...+....914...*...........336.....@.278..622....204......269.976........................487.....%...727-.*..................................
+..937.........38..-......$.................-........992.......*................628..740*.....%.445........360..............429.......917....
+..........$.......592........481*285.....=.................126.............................269.......702........................823.#.......
+..........593..52........546.............282..*226..............108..412.............=............#..................869....@....&..........
+628............*..768......=.655...................*............*.....*...../..909....855....$....400.......238.........*11..545............
+.............577....................../......147....945.31......979.846....403../.............742............*.......=.............#........
+505+................485.............411......-..........-...........................536...-.........144......885....42...218.147...329......
+......................&.849*714..........94*...856..........89..457.......*.....%...&...180........*......@..............*......*...........
+....................-.......................68........651../...........264...&..252...............359...256..669*.......766..668...193......
+.........992....743.860..174....&303............883.....*.....732..........433..........609...125................308.................*......
+..592....#...64..*..........*........656..505..*......546.....&........422.........#............*.613.382..123............%....721...572....
+...*.........*..........839.364.........*....*.549..............336...*...........129.......632....*....*.....#..647..122..25...............
+.612...-..%............$..............628..489......................-.850..633.........=......*...972.660........*....*.....................
+.....410..765.........................................../102.652..529.....*.............533..788............449&..8..875...846..392..649....
+....................&.......581.....352............107+..................251.....130........................................./.......$......
+.....807.........722...........*....*..........#...............+.116...............+..122.................184*491..&142.....................
+.....&....755............894..227.315.........648..968......515....&.................*.....+..62............................................
+............*.............-...........523............*....-...........165......434...106.427....#............241...........461......451.....
+...#246...905.297..#668......=.....=....$...........712..778..968........*........*...............592........*.......703#..............*....
+..............*............837....396........898..............+.....232.110....785...............*.........644...803...................178..
+.......&190....69...*665....................*...................161.&.................618.../.........660..........*............850.........
+.............$.............896.896.........884.............287...#........568................588.........@.........236....369$.....&........
+.....@........464.........$....*............................*......958....*.......816.......................................................
+..385.................877............160........263...&763..634...-........556.....*....658......953.......276........634+..&...........861.
+......................*.....914.208.*..............*................472....................@........*937.#....*745..........841..910...-....
+.......851........259..339.....*.....756.........285................*.........-................66+.......111........................@.......
+.409....@........*.........................474.........+...197......180.@.....567.......................................850.................
+....*......972.739.....*.....831*.............=......489.................611............*246.....................27.......*..631#......+....
+.....314...*........334.968......739......505...............844.......................................732..............322...........33.....
+............49...&..........*...............*........791..........152.....................247....166.............243.........826............
+529&..544........275.....140.322..........73......+......435...................942...273....*.......#........749....*.......*...............
+........*.......................................665.....*..................562....@........114.170-............/..92.........443..........51
+......534.............212..........385................306.....863.....357....&........717...............570#................................
+..............783.......*...........*..........................@...@.*............593*....*249....*338.............804..#...496.............
+...=..........*......373....../570.65................../...836.....1..685....*39.......584................938........&.642....*..865..40#...
+.715...909..142...........................136....892..192...@.............121...............629..........$.................651..............
+................147........-....758..........=...*.............+...89.........678...815.997....*.....................990....................
+...........*90.*....777.....868...*.............909.........361.....&..354....*...........+..200.....438.......62...*........521............
+...............840...&..144.....861.....................479.............*...+...........................&.....*.....682......#........950...
+....456.237................*................................146.......927..917..858....601..................834........................$....
+.......*.....794...661.....618................369...#.......&....&................*.....*.....753.................381/.....*397..........524
+.415................*.............490+.......*......533...........766..=.......657.......511...=........................766.................
+...............539@.50..164...............583...574......409............126........34...................%652........44........%......886....
+...907...................*..................................*346.............359.....*.........&.887...............*........115.837.=.......
+......*...............3.666.............................736.........208.226..-......616.....250.......859..628....829.............*....+600.
+......153..262.........................947......260......*.........*......*............................*...*..../...............93.../......
+..........*..........421.................$.........%..500..107......402.264...407.....703..49..........54..424..372..684...........147.249..
+......363..942...137*.....197..............*83............*...................*......*....*...158.......................-....73........*....
+.........+...............*..........116..32............*...900..............360....479....54.........435*192.@850...........*...........325.
+..390*..............=..431...518......*......436.......892.......787.517................%.......18.....................625.95....582........
+......600...-176..415.......=.........780.......*...........*702..*..*.....699..........914.........186.......49*897..............*..558....
+......................312........................40......481.........872.#....$./198..........764...+............................352........
+.............800.........*.248.............571..................14........845............627.....*.......*...............336.664............
+.........910.......395.506....*.........@..&.............567...*..............573..913....*......334..*..759......29.%.....&....+...........
+..328.......*399.....*...........180...936....97$..376...*......251.....#447...............304.......450.....226.=...408..............*.....
+......479............259........*...................*....78.........848......568......305..................=.*.............917..542.667.....
+......#......332.............785.........422......624.63...........@.....896.@.........+..=770...530.....630..641.............*.........292.
+............*..............................-.@..........*...$.............*......&..%..........%............................832..534...#....
+.....560...400......................246*......411.....377...645.........62......620..465....146................#.986..185........*..........
+......*.........761*......323@..........466...........................................................-111..382....*.....*.......408...164..
+.......247.....................575*..........................836.496*380..125...321...............841...........648.....976............@....
+.254.......74-.....+.......926.......-....844*.........224................*......*......562..811../...226...................................
+...*..............162.*261.....287....758.....638........+.....479........834...80............=...........................188........287....
+...734....396...................*.............................*.....406.*.............244#..............&....320.............*.*165.$.......
+..........*..........31......221.......$384............*115.308.87..../..306....88#....................230...@............768...............
+........694......441*............53..............35.814.........-.......................77......379.....................&..........-........
+..................................*............-.+.......527......975...........594*......*........*857.#37..........302...........947..716.
+.......104*561......978.226....925...........244.....107.........*..................336...749.............................691...........*...
+..654..........561+...*....&.......54....924........=.........385..238........661*...............49......=.......456.859+...$.........479...
+...*......392.........587....-....*.........*.965.....863.........&.....801.......19..$......*.....*529.881..670*.................790.......
+.615.....-........570.....11.547.166.....347...*..190*.....................=...........302...236...........................&................
+.....................*686.....................43..........79...........475......396.......................................610..#856.........
+..................+...............$......................*...592.........*.....*.........804.......@30......629...23........................
+...............202..954..%..958..894....503..579........904..*.....573..603.....450......*...734.........56....&..&.....415......408.511&...
+.........750.........*..454....*......%..../..$..747#.......493......=......455.......252...*.....999.....................*........*........
+...239...*........180.........594......280............412*.............255.....*..........17..338...........950..228.......840..809.........
+........572.............326......................518.........................700.............*........263......*....@.675*............22....
+...182....................*......................*......85...731...@.........................130.........*........*.......408....727@.+.....
+...*....110....$899..+...755...568.=309........192.......*...*...259.847...557*42.......*........304/.....608....351........................
+...823.+.............765......../........-508.........516...412.......*..............704...............................275.........210......
+...........356........................#..........439......*........564....372*...846.............=........+62....-........*..298......*964..
+.......%......*...308.....-4.........420......./..*....905.551..........$..........#.452*........417.195..........276...956.....*...$.......
+....996.......413.....569.....#.810..........889..328..........*.........595.............359..........+..%.......................35.416.....
+551......$...............*..357....*....627.............94..784.719..........697*76..........135..735....690.........944*177................
+.......711............770...........664...=.......#...../...............730*..........58....*.......*...........182............848..........
+...*........800................#..............#....929......=843............216.........*...412....473...735....*.....610*.....*...505......
+348.5.......*......317......920................224...............503..-158.............463..............*.......865.......674.750.....@.....
+.......367.723......*...................42.........636............+............$599..........948.......882..............................173.
+.........&........873........=...........*...........*....292..-..............................*......................597*923................
+..............................871.......497..........159........452.................900...116..450...878...........................302...574
diff --git a/2023/day3/p1.rb b/2023/day3/p1.rb
new file mode 100644
index 0000000..754f0f0
--- /dev/null
+++ b/2023/day3/p1.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+arr = []
+File.foreach('./2023/day3/data') do |line|
+  arr << line.strip.split('').append('.')
+end
+
+def int?(str)
+  str.to_i.to_s == str
+end
+
+def special_char?(char)
+  char != '.' and !int?(char)
+end
+
+def adj_special_char?(arr, row_index, char_index)
+  [[-1, 0], [1, 0], [0, -1], [0, 1], [1, 1], [-1, -1], [-1, 1], [1, -1]].each do |offset|
+    next if (row_index + offset[0]).negative? || (char_index + offset[1]).negative? || (row_index + offset[0] >= arr.length) || (char_index + offset[1] >= arr[row_index].length)
+    return true if special_char?(arr[row_index + offset[0]][char_index + offset[1]])
+  end
+  false
+end
+
+res = 0
+arr.each_with_index do |row, row_index|
+  current_number = 0
+  found_special_char = false
+  row.each_with_index do |el, col_index|
+    if int? el
+      current_number *= 10
+      current_number += el.to_i
+      found_special_char ||= adj_special_char?(arr, row_index, col_index)
+    elsif found_special_char
+      res += current_number
+      current_number = 0
+      found_special_char = false
+    else
+      current_number = 0
+    end
+  end
+end
+
+puts res
diff --git a/2023/day3/p2.rb b/2023/day3/p2.rb
new file mode 100644
index 0000000..4af9d34
--- /dev/null
+++ b/2023/day3/p2.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+arr = []
+gear_map = {}
+
+File.foreach('./2023/day3/data') do |line|
+  arr << line.strip.split('').append('.')
+end
+
+def int?(str)
+  str.to_i.to_s == str
+end
+
+def has_gear?(arr, row_index, char_index)
+  [[-1, 0], [1, 0], [0, -1], [0, 1], [1, 1], [-1, -1], [-1, 1], [1, -1]].each do |offset|
+    if (row_index + offset[0]).negative? || (char_index + offset[1]).negative? || (row_index + offset[0] >= arr.length) || (char_index + offset[1] >= arr[row_index].length)
+      next
+    end
+    return [row_index + offset[0], char_index + offset[1]] if arr[row_index + offset[0]][char_index + offset[1]] == '*'
+  end
+  nil
+end
+
+res = 0
+arr.each_with_index do |row, row_index|
+  current_number = 0
+  connected_gears = []
+  row.each_with_index do |el, col_index|
+    if el.to_i.to_s == el
+      current_number *= 10
+      current_number += el.to_i
+      g = has_gear?(arr, row_index, col_index)
+      connected_gears << g unless g.nil?
+    elsif connected_gears.length.positive?
+      connected_gears.each do |gear|
+        gear_map[gear.to_s] = [] if gear_map[gear.to_s].nil?
+        gear_map[gear.to_s] << current_number unless gear_map[gear.to_s].include?(current_number)
+      end
+      current_number = 0
+      connected_gears = []
+    else
+      current_number = 0
+    end
+  end
+end
+
+gear_map.each_value do |value|
+  res += value[0] * value[1] if value.length == 2
+end
+
+puts res