diff --git a/2018/day17/Cargo.lock b/2018/day17/Cargo.lock
new file mode 100644
index 0000000..b3efdf4
--- /dev/null
+++ b/2018/day17/Cargo.lock
@@ -0,0 +1,4 @@
+[[package]]
+name = "day17"
+version = "0.1.0"
+
diff --git a/2018/day17/Cargo.toml b/2018/day17/Cargo.toml
new file mode 100644
index 0000000..46deb28
--- /dev/null
+++ b/2018/day17/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "day17"
+version = "0.1.0"
+authors = ["Andrew Coleman <penguincoder@gmail.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/2018/day17/input b/2018/day17/input
new file mode 100644
index 0000000..1503d99
--- /dev/null
+++ b/2018/day17/input
@@ -0,0 +1,1527 @@
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+x=430, y=1120..1122
+y=469, x=456..459
+y=776, x=483..500
+y=1269, x=517..544
+y=1719, x=443..462
+x=492, y=1647..1672
+x=564, y=299..318
+y=1139, x=451..468
+x=389, y=34..39
+x=389, y=912..933
+y=1204, x=450..457
+x=461, y=405..407
+x=425, y=303..306
+x=538, y=1097..1125
+y=1234, x=429..452
+y=36, x=485..493
+y=1603, x=485..498
+x=431, y=1645..1657
+x=550, y=1270..1272
+x=484, y=259..268
+y=1348, x=488..515
+x=524, y=1584..1605
+x=512, y=1053..1073
+x=580, y=903..904
+x=466, y=335..346
+y=308, x=447..465
+x=459, y=293..304
+x=576, y=355..375
+y=1125, x=521..538
+y=1396, x=471..488
+x=573, y=1647..1670
+x=401, y=1483..1493
+y=607, x=570..573
+y=158, x=375..381
+y=377, x=479..494
+x=377, y=881..901
+x=473, y=319..323
+y=734, x=574..579
+y=1553, x=378..396
+x=396, y=1118..1129
+y=166, x=523..526
+x=404, y=1565..1567
+x=502, y=1519..1537
+x=435, y=484..495
+x=542, y=1325..1340
+y=901, x=377..400
+x=427, y=1153..1162
+x=505, y=1545..1550
+y=1107, x=418..435
+x=565, y=1425..1430
+y=563, x=540..561
+y=466, x=552..578
+x=484, y=1238..1249
+x=510, y=279..281
+y=248, x=452..456
+x=409, y=65..71
+y=1249, x=465..484
+x=521, y=1097..1125
+y=1671, x=532..535
+x=372, y=1300..1312
+x=430, y=952..963
+x=493, y=36..39
+y=1673, x=365..376
+y=1537, x=484..502
+x=467, y=744..756
+x=405, y=853..863
+x=392, y=1390..1395
+y=904, x=552..580
+y=1232, x=549..574
+y=691, x=513..517
+y=649, x=406..506
+x=563, y=162..164
+x=447, y=295..308
+x=581, y=780..792
+y=1638, x=539..556
+y=1735, x=403..412
+y=709, x=531..535
+x=563, y=575..596
+y=1322, x=403..414
+x=531, y=1325..1340
+x=398, y=1075..1086
+x=502, y=385..391
+y=1731, x=383..398
+x=466, y=426..429
+y=791, x=395..407
+x=449, y=258..267
+x=515, y=1136..1154
+x=465, y=463..473
+y=1171, x=368..370
+x=397, y=69..73
+x=532, y=1138..1154
+x=388, y=1060..1070
+x=521, y=510..532
+x=385, y=302..326
+x=425, y=48..57
+x=468, y=442..452
+y=1418, x=405..433
+x=465, y=1497..1511
+x=547, y=1031..1047
+x=445, y=1339..1353
+x=490, y=919..943
+y=1242, x=574..582
+y=446, x=543..562
+x=400, y=679..692
+x=568, y=1227..1229
+y=544, x=488..495
+y=457, x=478..496
+x=422, y=572..589
+x=534, y=22..27
+x=432, y=261..264
+x=471, y=1384..1396
+x=570, y=604..607
+y=150, x=478..481
+y=150, x=405..410
+x=481, y=146..150
+x=378, y=430..439
+y=1678, x=412..422
+y=1033, x=512..514
+y=191, x=556..573
+y=1713, x=521..546
+y=242, x=549..561
+y=1004, x=474..482
+x=401, y=1134..1147
+x=463, y=999..1024
+x=494, y=375..377
+y=518, x=424..484
+x=506, y=635..649
+y=1018, x=488..503
+x=404, y=1365..1367
+y=1739, x=451..475
+x=415, y=880..893
+x=503, y=1713..1726
+y=63, x=522..533
+x=543, y=1564..1566
+x=420, y=974..986
+y=651, x=540..551
+x=453, y=600..619
+y=1314, x=519..521
+x=540, y=635..651
+x=381, y=951..968
+y=1154, x=495..515
+y=1219, x=405..425
+y=1550, x=482..505
+x=488, y=1338..1348
+x=469, y=614..616
+x=574, y=1415..1440
+x=448, y=354..366
+y=899, x=437..535
+x=509, y=307..313
+x=390, y=371..397
+x=493, y=1364..1377
+y=1517, x=441..447
+y=71, x=409..417
+x=494, y=1013..1015
+y=997, x=438..442
+x=467, y=258..268
+x=551, y=635..651
+x=376, y=1174..1188
+x=402, y=1469..1473
+x=450, y=443..452
+y=1537, x=435..451
+y=304, x=457..459
+y=791, x=526..534
+x=462, y=375..387
+x=431, y=1708..1732
+x=395, y=1597..1607
+x=574, y=474..485
+y=1236, x=394..402
+y=688, x=409..414
+y=1269, x=402..407
+x=569, y=1711..1714
+y=630, x=372..406
+x=514, y=10..21
+y=105, x=515..535
+x=535, y=94..105
+x=513, y=488..492
+x=404, y=1653..1662
+x=396, y=1520..1532
+x=475, y=1235..1246
+x=412, y=844..869
+x=562, y=1205..1211
+y=1116, x=459..474
+y=763, x=540..564
+x=581, y=475..485
+x=555, y=1068..1072
+x=466, y=999..1024
+y=207, x=488..557
+x=577, y=984..986
+x=489, y=441..453
+x=553, y=1139..1167
+y=323, x=468..473
+y=1040, x=506..522
+x=412, y=1132..1144
+x=447, y=1670..1672
+x=431, y=695..697
+x=536, y=996..1005
+x=470, y=1039..1058
+x=565, y=995..1014
+x=456, y=460..469
+x=375, y=151..158
+x=381, y=1518..1529
+y=1271, x=463..481
+y=854, x=475..477
+y=851, x=372..390
+x=521, y=419..422
+y=1666, x=511..518
+x=413, y=402..425
+y=752, x=503..529
+x=466, y=181..190
+x=440, y=261..264
+y=859, x=489..508
+x=543, y=1164..1166
+x=518, y=574..581
+x=433, y=132..142
+x=526, y=681..695
+y=697, x=459..468
+y=1064, x=475..497
+y=863, x=402..405
+x=480, y=316..327
+x=452, y=1232..1234
+x=403, y=1318..1322
+x=382, y=18..26
+x=480, y=30..43
+x=429, y=197..224
+x=406, y=617..630
+x=439, y=1155..1165
+y=294, x=567..581
+x=518, y=458..463
+x=455, y=946..955
+y=1287, x=370..375
+x=372, y=846..851
+y=1502, x=490..492
+y=1211, x=562..578
+y=1529, x=365..381
+y=1476, x=446..464
+x=475, y=1215..1225
+y=1458, x=440..466
+x=409, y=1486..1489
+y=1654, x=499..501
+y=505, x=551..564
+x=463, y=1260..1271
+x=567, y=626..628
+y=1469, x=400..402
+x=509, y=186..189
+x=381, y=831..834
+x=379, y=652..660
+x=433, y=300..310
+x=560, y=1696..1718
+x=493, y=760..773
+y=978, x=564..583
+x=411, y=1562..1571
+x=495, y=969..974
+x=497, y=551..564
+y=1589, x=415..417
+x=412, y=1716..1735
+x=482, y=275..287
+x=380, y=765..776
+y=893, x=415..422
+x=558, y=1195..1197
+x=467, y=658..663
+y=420, x=557..583
+x=425, y=930..941
+x=483, y=846..857
+x=555, y=305..307
+x=544, y=996..1014
+y=555, x=406..470
+y=1070, x=388..402
+x=572, y=1542..1545
+x=531, y=134..148
+y=1370, x=523..549
+x=456, y=54..63
+y=579, x=398..400
+y=391, x=457..473
+x=571, y=1451..1469
+y=193, x=423..446
+y=492, x=490..495
+x=451, y=1728..1739
+x=503, y=1003..1018
+x=509, y=769..782
+x=394, y=619..623
+x=390, y=166..173
+y=411, x=444..467
+x=488, y=197..207
+y=551, x=553..579
+x=457, y=337..349
+x=459, y=183..186
+y=495, x=501..524
+y=1525, x=516..534
+y=1587, x=415..417
diff --git a/2018/day17/src/main.rs b/2018/day17/src/main.rs
new file mode 100644
index 0000000..6ddd9be
--- /dev/null
+++ b/2018/day17/src/main.rs
@@ -0,0 +1,55 @@
+use std::collections::VecDeque;
+use std::fs::File;
+use std::io::{BufRead, BufReader};
+use std::ops::Range;
+
+const MapSize: usize = 1800;
+type Map = [[char; MapSize]; MapSize];
+
+fn find_range_in_line(line: &str) -> (Range<u16>, Range<u16>) {
+    let mut parts = line.split(", ");
+    let mut left_parts = parts.nth(0).unwrap().split("=");
+    let left_coord_type: &str = left_parts.nth(0).unwrap();
+    let left_number: u16 = left_parts.nth(0).unwrap().parse().unwrap();
+    let mut right_parts = parts.nth(0).unwrap().split("=");
+    let mut right_numbers = right_parts.nth(1).unwrap().split("..");
+    let right_number_1: u16 = right_numbers.nth(0).unwrap().parse().unwrap();
+    let right_number_2: u16 = right_numbers.nth(0).unwrap().parse().unwrap();
+    let left_range = Range { start: left_number, end: left_number + 1 };
+    let right_range = Range { start: right_number_1, end: right_number_2 + 1 };
+    if left_coord_type == "x" {
+        (left_range, right_range)
+    } else {
+        (right_range, left_range)
+    }
+}
+
+fn build_map_from_file(filename: &str) -> Map {
+    let lines: Vec<String> = BufReader::new(File::open(filename).unwrap())
+        .lines()
+        .map(|line| line.unwrap())
+        .collect();
+    let mut min_y = MapSize;
+    let mut max_y = 0;
+    let mut m: Map = [[' '; MapSize]; MapSize];
+    m[500][0] = '+';
+    for line in lines.iter() {
+        let (x_range, y_range) = find_range_in_line(line.as_str());
+    }
+    m
+}
+
+fn main() {
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn test_range_from_line() {
+        let line = "x=100, y=100..102";
+        let (x_range, y_range) = find_range_in_line(line);
+        assert_eq!(x_range, (100..101));
+        assert_eq!(y_range, (100..103));
+    }
+}
diff --git a/2018/day17/test-input b/2018/day17/test-input
new file mode 100644
index 0000000..293b5af
--- /dev/null
+++ b/2018/day17/test-input
@@ -0,0 +1,8 @@
+x=495, y=2..7
+y=7, x=495..501
+x=501, y=3..7
+x=498, y=2..4
+x=506, y=1..2
+x=498, y=10..13
+x=504, y=10..13
+y=13, x=498..504