diff --git a/res/18/example b/res/18/example
index e69de29..0ad754b 100644
--- a/res/18/example
+++ b/res/18/example
@@ -0,0 +1,14 @@
+R 6 (#70c710)
+D 5 (#0dc571)
+L 2 (#5713f0)
+D 2 (#d2c081)
+R 2 (#59c680)
+D 2 (#411b91)
+L 5 (#8ceee2)
+U 2 (#caa173)
+L 1 (#1b58a2)
+U 2 (#caa171)
+R 2 (#7807d2)
+U 3 (#a77fa3)
+L 2 (#015232)
+U 2 (#7a21e3)
\ No newline at end of file
diff --git a/res/18/input b/res/18/input
new file mode 100644
index 0000000..4f6837f
--- /dev/null
+++ b/res/18/input
@@ -0,0 +1,720 @@
+L 5 (#111620)
+U 5 (#381431)
+L 2 (#477290)
+U 5 (#0055c3)
+L 7 (#35c9c0)
+U 7 (#3e9133)
+L 8 (#3e6ab0)
+D 7 (#0ea593)
+L 6 (#36a930)
+U 7 (#4d36c1)
+L 4 (#3c4a90)
+D 4 (#0055c1)
+L 2 (#344810)
+D 7 (#4802a3)
+L 3 (#277100)
+U 11 (#627223)
+L 4 (#025c90)
+U 3 (#11f173)
+L 2 (#417c80)
+U 2 (#4b1db3)
+L 9 (#408e20)
+U 2 (#573413)
+L 3 (#4300e0)
+U 3 (#091f23)
+L 5 (#3e9af0)
+U 5 (#3fbd63)
+R 7 (#289662)
+U 3 (#14ada3)
+R 9 (#2eb052)
+U 5 (#4227c3)
+L 5 (#127c82)
+U 6 (#38f103)
+L 6 (#5ca1e2)
+D 6 (#1c9d13)
+L 5 (#3f9df2)
+U 5 (#476803)
+L 4 (#354a00)
+U 3 (#2d78d3)
+L 4 (#4efa60)
+U 3 (#2ad883)
+L 2 (#2c6d82)
+U 4 (#044e93)
+L 7 (#534552)
+U 2 (#044e91)
+L 3 (#049192)
+U 6 (#2b2513)
+L 3 (#0a2b30)
+U 8 (#0bf1e3)
+L 6 (#2bdeb0)
+U 2 (#031ed3)
+L 5 (#464160)
+U 6 (#4a2ac3)
+L 5 (#059300)
+D 5 (#2d2dd3)
+L 3 (#108d20)
+D 8 (#06b713)
+L 5 (#1ae3b0)
+U 4 (#482203)
+L 3 (#2d5110)
+U 7 (#1f9f83)
+L 4 (#2d5112)
+U 2 (#504413)
+L 5 (#4eb920)
+U 7 (#100471)
+R 4 (#1d6930)
+U 3 (#0555f1)
+L 7 (#282d32)
+U 4 (#0f9851)
+R 7 (#14ab62)
+U 5 (#705421)
+R 7 (#14ab60)
+U 7 (#277191)
+R 8 (#282d30)
+U 5 (#020441)
+L 3 (#359a90)
+U 5 (#49a163)
+L 10 (#324050)
+U 3 (#2355c3)
+R 6 (#1ac6d0)
+U 5 (#3e8f41)
+R 2 (#095022)
+D 5 (#71def1)
+R 5 (#095020)
+U 4 (#16f1d1)
+R 6 (#52f300)
+U 4 (#1639f3)
+R 4 (#272af0)
+D 4 (#2ca5c3)
+R 5 (#3faee2)
+D 3 (#298dd3)
+R 3 (#402702)
+D 5 (#0931e3)
+L 6 (#434db0)
+D 4 (#182893)
+L 2 (#3c8830)
+D 5 (#199ba3)
+R 6 (#272af2)
+U 5 (#1ffc73)
+R 10 (#307410)
+U 3 (#379fd3)
+R 6 (#325eb0)
+U 6 (#2559b1)
+R 8 (#5c5140)
+U 3 (#3e05f1)
+R 7 (#539910)
+D 2 (#1ef0a1)
+R 3 (#1a8750)
+D 4 (#237b61)
+L 4 (#196ce0)
+D 2 (#1006a1)
+L 6 (#281362)
+D 3 (#446261)
+L 3 (#066910)
+D 8 (#346f31)
+L 3 (#066912)
+D 5 (#49b741)
+R 3 (#281360)
+D 4 (#22a361)
+R 4 (#4a8650)
+D 4 (#34fa61)
+R 5 (#535680)
+D 4 (#4f3651)
+R 4 (#18ef30)
+D 6 (#17c341)
+R 5 (#0d0b50)
+D 5 (#1bcf31)
+R 2 (#54e8e0)
+D 4 (#1bcf33)
+R 3 (#266190)
+U 9 (#2d5151)
+R 5 (#529352)
+D 4 (#2a98d1)
+R 2 (#4eb1a2)
+D 3 (#56bf71)
+R 7 (#31f440)
+U 4 (#316c41)
+L 4 (#3175c0)
+U 5 (#303211)
+R 3 (#0d4ac2)
+U 6 (#219441)
+R 3 (#593452)
+U 5 (#1f71e3)
+L 3 (#0e4222)
+U 5 (#06e0a3)
+L 3 (#27ad72)
+U 5 (#623083)
+R 4 (#27ad70)
+U 5 (#14e0e3)
+L 4 (#062f42)
+U 2 (#1c64d3)
+L 11 (#2018a2)
+U 4 (#239af1)
+R 3 (#05a4e2)
+U 4 (#6b90b1)
+R 5 (#0c25b2)
+U 8 (#2a9d11)
+R 4 (#4506c2)
+D 12 (#219443)
+R 3 (#28d952)
+U 5 (#24e201)
+R 3 (#3995c0)
+U 3 (#63c3f1)
+R 6 (#1054c0)
+D 3 (#0efd41)
+R 7 (#49ea82)
+D 7 (#02c511)
+L 7 (#28ad90)
+D 6 (#6833f1)
+R 5 (#13e0b0)
+D 3 (#2529a1)
+L 5 (#62e790)
+D 8 (#434c21)
+L 4 (#0f4a30)
+D 4 (#1e9241)
+R 4 (#39dd60)
+D 5 (#36c1a1)
+R 8 (#49a760)
+U 5 (#082491)
+R 4 (#2a0c62)
+U 2 (#2dfbe1)
+R 5 (#26b5c2)
+U 4 (#51c741)
+R 3 (#33c3b2)
+U 9 (#2ec8c1)
+R 5 (#2d4e22)
+U 8 (#0eec81)
+R 2 (#2bb9e2)
+U 5 (#001b23)
+R 5 (#131f02)
+U 6 (#22e323)
+L 3 (#24ab72)
+U 5 (#2a94c3)
+L 4 (#32f9c0)
+D 4 (#273b93)
+L 4 (#3a3580)
+U 4 (#09dae3)
+L 5 (#055ef2)
+D 5 (#3b8563)
+L 6 (#67d052)
+U 5 (#02dd03)
+L 4 (#151fc2)
+U 5 (#006c93)
+R 3 (#499c62)
+U 5 (#3856e1)
+R 4 (#327782)
+U 7 (#3c23d1)
+R 2 (#01db60)
+U 9 (#3dd9d1)
+R 6 (#615be0)
+D 2 (#1d5671)
+R 3 (#337e00)
+D 9 (#13e4d1)
+L 5 (#5bd7c2)
+D 4 (#192ea1)
+R 5 (#3c8d50)
+D 6 (#030631)
+R 6 (#118670)
+U 3 (#3b07c1)
+R 2 (#4f33f0)
+U 6 (#23a3c1)
+R 7 (#453072)
+U 2 (#1e5661)
+R 5 (#4f3a82)
+U 6 (#4773a1)
+R 7 (#08dcc2)
+U 9 (#1c8461)
+R 2 (#5bd7c0)
+U 5 (#10d9a1)
+R 7 (#0d64a0)
+U 7 (#1c4f91)
+R 4 (#4d4da0)
+U 2 (#149ed3)
+R 6 (#4af8c0)
+D 8 (#5ce2f3)
+R 7 (#01faf0)
+D 3 (#4f76a3)
+R 5 (#57d530)
+D 2 (#4b5ee1)
+R 3 (#411330)
+D 3 (#4b5ee3)
+L 5 (#020630)
+D 6 (#2a4931)
+R 6 (#254aa0)
+D 8 (#229851)
+R 3 (#47c190)
+D 8 (#029521)
+L 4 (#094f80)
+D 3 (#112503)
+L 4 (#052040)
+U 4 (#44f593)
+L 7 (#052042)
+D 4 (#32c573)
+L 5 (#2254f2)
+D 5 (#02c763)
+L 2 (#59d0e2)
+D 5 (#02dec3)
+L 4 (#2d4462)
+D 4 (#02dec1)
+R 9 (#69db02)
+U 7 (#2971c3)
+R 2 (#5bb5d0)
+U 4 (#17a1d3)
+R 5 (#0e75d0)
+D 6 (#2bf401)
+R 6 (#04e520)
+D 5 (#375453)
+R 4 (#143ee0)
+D 3 (#4f9323)
+L 9 (#434f50)
+D 3 (#27c6e1)
+R 5 (#0f9750)
+D 8 (#5f2091)
+R 3 (#2c3e80)
+U 6 (#12ffc1)
+R 4 (#1789e0)
+U 4 (#38fc41)
+R 2 (#00f070)
+U 10 (#590d31)
+L 6 (#00f072)
+U 5 (#0b5b61)
+R 6 (#226380)
+U 8 (#009cf3)
+R 7 (#08b880)
+D 3 (#1c2403)
+R 7 (#60dbf0)
+D 6 (#2abaf3)
+R 7 (#699472)
+D 6 (#370ab3)
+L 7 (#195b80)
+D 5 (#624953)
+L 7 (#3b2f70)
+D 3 (#3dac43)
+R 5 (#548af2)
+D 3 (#05b5d3)
+L 8 (#10b380)
+D 2 (#4bd843)
+L 3 (#4f5a30)
+D 4 (#4bd841)
+R 3 (#4b5fb0)
+D 5 (#358563)
+L 5 (#3b77a0)
+D 5 (#2ed623)
+R 5 (#57fde0)
+D 7 (#29ca13)
+R 8 (#0b9492)
+D 4 (#0beeb1)
+R 7 (#0af1b2)
+D 6 (#0b3cb3)
+R 2 (#0223f2)
+D 2 (#3c4fc3)
+R 7 (#4eaa22)
+D 6 (#1953f3)
+R 9 (#43f802)
+D 3 (#55a3b1)
+R 6 (#170752)
+D 3 (#0b3cb1)
+R 9 (#018f52)
+D 2 (#0beeb3)
+R 3 (#19bd22)
+U 2 (#617433)
+R 4 (#0228e0)
+U 8 (#3c8e73)
+R 4 (#33ea40)
+U 3 (#3f0b73)
+R 7 (#01c062)
+U 3 (#369bd3)
+R 5 (#01c060)
+U 4 (#167a33)
+R 5 (#256370)
+U 6 (#22c591)
+R 3 (#0e8902)
+U 9 (#5b7131)
+L 5 (#0e8900)
+U 5 (#0deab1)
+L 11 (#3803b0)
+U 4 (#3c8e71)
+L 4 (#4a25d0)
+U 3 (#587e03)
+R 5 (#1bdb80)
+U 2 (#732611)
+R 7 (#217af0)
+U 3 (#160d21)
+R 3 (#34ba90)
+U 6 (#60e121)
+R 5 (#2ee030)
+U 6 (#287e11)
+R 7 (#33aee0)
+U 3 (#32e821)
+R 7 (#2885e2)
+U 5 (#467531)
+R 5 (#2885e0)
+U 3 (#0c3191)
+R 3 (#249d82)
+D 2 (#483a81)
+R 7 (#4a75a0)
+D 6 (#26e9d1)
+R 5 (#4a75a2)
+D 3 (#25d3b1)
+R 6 (#2e9262)
+D 4 (#03e411)
+L 8 (#6b9272)
+D 6 (#116f51)
+R 8 (#12aae0)
+D 4 (#01a2a1)
+R 6 (#734070)
+D 10 (#01a2a3)
+L 6 (#38d700)
+D 9 (#29dd11)
+R 3 (#153790)
+D 7 (#109bf1)
+L 8 (#28dde2)
+D 5 (#33e5b1)
+R 8 (#1dc922)
+D 4 (#6bb741)
+R 6 (#379ae2)
+U 8 (#151eb1)
+R 6 (#268562)
+U 3 (#2e8fe1)
+R 3 (#525330)
+D 6 (#10dad1)
+R 6 (#527410)
+U 6 (#3979c1)
+R 8 (#6f5a32)
+U 7 (#303501)
+R 2 (#1aef42)
+U 3 (#1b0861)
+L 4 (#0de6a0)
+U 4 (#043ff1)
+L 10 (#68ced0)
+U 5 (#020831)
+L 11 (#4358c2)
+U 5 (#597361)
+R 7 (#136172)
+U 9 (#083dc1)
+R 3 (#1ffb42)
+U 3 (#2655a1)
+R 6 (#4550f2)
+U 8 (#2b0791)
+R 2 (#29fd92)
+U 3 (#03ab61)
+R 8 (#77ce32)
+U 4 (#102c81)
+R 10 (#106b62)
+U 6 (#433841)
+L 5 (#0c8962)
+U 3 (#3d8421)
+L 9 (#00c362)
+U 4 (#304041)
+L 4 (#01a312)
+U 7 (#347691)
+L 3 (#48b7c2)
+U 4 (#2d3763)
+L 5 (#31d162)
+U 5 (#2d3761)
+R 7 (#1aa832)
+U 2 (#2b4031)
+R 8 (#252b62)
+U 6 (#430c61)
+L 6 (#1b0730)
+U 3 (#1ad951)
+L 3 (#39b7c0)
+D 4 (#278041)
+L 10 (#248e00)
+U 4 (#562763)
+L 3 (#1cb6a0)
+U 4 (#143e83)
+R 4 (#500690)
+U 3 (#2ec473)
+R 6 (#217680)
+U 3 (#1b9fa3)
+R 4 (#366d30)
+U 2 (#4a6411)
+R 8 (#3c9090)
+U 5 (#143e81)
+R 8 (#6cfbc0)
+D 8 (#2818d3)
+R 4 (#2cef70)
+D 11 (#2e0581)
+R 2 (#500420)
+D 7 (#503ab1)
+R 6 (#0ed250)
+D 2 (#529be1)
+R 2 (#29ffa0)
+D 8 (#106443)
+R 6 (#70b9d0)
+D 4 (#106441)
+R 6 (#3c0700)
+D 6 (#394be1)
+R 7 (#37b782)
+D 3 (#2afee1)
+R 3 (#032762)
+D 4 (#7838d1)
+R 7 (#22d3a2)
+D 6 (#48ebb3)
+R 5 (#3cb6f2)
+D 5 (#5a4c03)
+R 7 (#3c5702)
+D 3 (#1cad51)
+R 3 (#094532)
+D 3 (#2e9931)
+R 3 (#610912)
+D 4 (#279271)
+R 7 (#25b722)
+D 4 (#2dbd51)
+R 4 (#4bc002)
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+R 4 (#3a7412)
+D 6 (#3490a1)
+L 8 (#3eadf2)
+D 7 (#0ebcd1)
+L 4 (#21b642)
+D 5 (#57d0d1)
+L 6 (#0d1512)
+U 9 (#3396b1)
+L 5 (#341e50)
+D 7 (#1482a1)
+L 5 (#341e52)
+D 2 (#421a61)
+L 3 (#0070e2)
+D 3 (#57f993)
+L 2 (#3d4352)
+D 9 (#167b63)
+R 3 (#0d80f2)
+D 4 (#6cd083)
+R 7 (#0c7022)
+U 3 (#33c873)
+R 6 (#0273b2)
+U 6 (#384081)
+R 7 (#261032)
+D 6 (#6808f3)
+R 4 (#1fb802)
+D 3 (#0b72e3)
+R 4 (#35e7f2)
+D 5 (#737bd1)
+L 4 (#1e2372)
+D 2 (#384083)
+L 4 (#19be72)
+D 8 (#210f83)
+L 6 (#137eb2)
+U 10 (#493ac3)
+L 3 (#263cb2)
+D 4 (#41dce3)
+L 3 (#417982)
+D 9 (#28fb53)
+R 4 (#472bb2)
+D 3 (#3bc9a3)
+L 3 (#5dad72)
+D 7 (#1a9483)
+L 8 (#25ba62)
+D 5 (#565e21)
+R 11 (#2bd302)
+D 5 (#10d481)
+L 4 (#4b1be2)
+D 9 (#266eb1)
+L 6 (#0638f2)
+D 8 (#38a111)
+L 4 (#5f8be2)
+U 7 (#34aa31)
+L 9 (#6632e2)
+U 4 (#3c0661)
+L 6 (#5e52b2)
+U 4 (#3c0663)
+L 6 (#095802)
+U 9 (#0c4341)
+L 7 (#073530)
+U 5 (#456251)
+L 5 (#161800)
+U 5 (#371cb1)
+R 5 (#2e7860)
+U 3 (#25a131)
+L 6 (#07fb20)
+U 6 (#0632e1)
+L 10 (#5ca0e0)
+D 5 (#03c0d1)
+L 3 (#40d762)
+D 4 (#4c8b61)
+L 2 (#23c4a2)
+D 5 (#410711)
+L 5 (#0ed410)
+D 6 (#074d01)
+L 3 (#568940)
+D 3 (#08bd23)
+L 3 (#0cc3e0)
+D 9 (#784533)
+L 2 (#0cc3e2)
+D 2 (#437203)
+L 7 (#3a1770)
+D 6 (#0a0371)
+L 3 (#1ce6a0)
+D 3 (#37d2e1)
+L 4 (#5c5d70)
+D 9 (#0bd5d1)
+L 2 (#1a3fe0)
+D 3 (#693381)
+L 4 (#0946c2)
+U 12 (#2df7a3)
+L 4 (#66da52)
+D 4 (#225e03)
+L 5 (#08d6d2)
+D 7 (#4641e3)
+L 4 (#128362)
+U 7 (#0475e1)
+L 4 (#346ad2)
+D 7 (#2de451)
+L 3 (#1d29c0)
+D 6 (#427cb1)
+L 7 (#1d29c2)
+D 4 (#350921)
+L 8 (#346ad0)
+D 2 (#6a73b1)
+L 4 (#19dcb2)
+D 3 (#7176f1)
+L 3 (#003692)
+D 2 (#08d4c1)
+L 7 (#4f3522)
+D 7 (#0d38c1)
+L 6 (#1467f2)
+D 7 (#0614f3)
+L 3 (#16d732)
+D 2 (#730733)
+L 6 (#2ee4f2)
+D 6 (#3026d3)
+L 6 (#185472)
+D 4 (#204341)
+L 3 (#532d02)
+D 4 (#204343)
+L 5 (#284fc2)
+D 4 (#141a03)
+L 3 (#1c8732)
+D 5 (#365ac3)
+L 8 (#1ae1e2)
+D 6 (#2031a3)
+L 8 (#4b40c0)
+D 3 (#30cba3)
+L 5 (#4b40c2)
+D 2 (#2dd753)
+L 3 (#1ae1e0)
+D 9 (#294be3)
+L 3 (#542fd2)
+U 10 (#4b3733)
+L 4 (#18c272)
+U 4 (#1b2ab3)
+L 4 (#6787b2)
+D 8 (#0aa403)
+L 2 (#417590)
+D 4 (#3bce53)
+L 3 (#30b170)
+U 4 (#075fb3)
+L 3 (#0e2320)
+U 2 (#1ea7a3)
+L 8 (#4eeb72)
+U 4 (#0c6ce3)
+R 5 (#420950)
+U 2 (#004bd3)
+R 6 (#2fedd0)
+U 3 (#004bd1)
+R 6 (#125af0)
+U 6 (#07f653)
+R 4 (#4f9522)
+U 10 (#0e08d3)
+L 5 (#098952)
+U 6 (#1e7a63)
+L 2 (#4af752)
+U 5 (#4b16d3)
+L 3 (#1dbc42)
+U 3 (#59b8a3)
+L 3 (#122370)
+D 9 (#223c53)
+L 6 (#6c1240)
+D 5 (#223c51)
+L 2 (#439c50)
+D 6 (#2a5503)
+L 9 (#2bf2f2)
+D 5 (#147433)
+L 5 (#585f22)
+D 6 (#49ed13)
+L 6 (#0b1052)
+D 8 (#3f0673)
+L 5 (#246c32)
+D 6 (#20b213)
+R 3 (#246c30)
+D 2 (#2c1703)
+R 6 (#0b1050)
+D 7 (#4d1da3)
+L 7 (#3fcba0)
+D 4 (#070aa1)
+L 2 (#3fb160)
+D 4 (#67d971)
+L 4 (#0c9540)
+D 10 (#1d77f1)
+L 3 (#081080)
+D 7 (#368293)
+R 9 (#225fc0)
+D 6 (#1a0723)
+R 7 (#225fc2)
+U 6 (#3bd253)
+R 3 (#0d1100)
+D 3 (#0f82c3)
+R 4 (#1b6f60)
+D 7 (#13d1c3)
+R 4 (#33cc20)
+D 6 (#13d1c1)
+L 6 (#48ce70)
+D 3 (#301223)
+L 2 (#40b300)
+D 6 (#270e63)
+L 2 (#2137c0)
+D 3 (#2904e3)
+L 6 (#25bef0)
+U 7 (#1cad53)
+L 5 (#127ca2)
+U 5 (#3ecf43)
+L 6 (#29b292)
+D 4 (#2b86d3)
+L 4 (#3583d2)
+U 11 (#32d9e3)
+L 5 (#0511b2)
+U 3 (#3b6653)
+L 3 (#3852b2)
+U 8 (#3bf173)
+L 7 (#290102)
+U 5 (#358ea3)
+L 7 (#549172)
+U 4 (#1f7503)
+L 2 (#30fec2)
+U 7 (#4a6733)
+L 9 (#482ea2)
+U 5 (#210683)
+L 3 (#1b1032)
+U 8 (#37d3c3)
+L 2 (#211102)
+U 4 (#31d3b3)
+L 4 (#037bb2)
+U 6 (#3763d3)
+L 6 (#14c8a2)
+U 8 (#4ad391)
+L 2 (#41c3d2)
+U 4 (#29b821)
+L 8 (#1b32f2)
+U 6 (#748bb3)
+R 6 (#129632)
+U 2 (#229953)
+R 3 (#3c0172)
+U 5 (#4e4773)
+R 6 (#4f9a82)
+D 5 (#44ea23)
+R 4 (#04df92)
+U 6 (#10b5e3)
+R 6 (#6405c2)
+U 3 (#40daf3)
+R 5 (#1212a2)
+U 2 (#27b3b3)
+R 6 (#12f172)
+U 7 (#3ec613)
+L 3 (#512902)
+U 8 (#28df13)
+L 5 (#3c5532)
+U 3 (#4d31f3)
+L 6 (#17d212)
+U 5 (#55ffd3)
diff --git a/src/days/d18.rs b/src/days/d18.rs
index 622b910..dfe6871 100644
--- a/src/days/d18.rs
+++ b/src/days/d18.rs
@@ -1,16 +1,73 @@
 use std::fs;
 
 pub fn solve() {
-    let path = "res/18/example";
+    let path = "res/18/input";
 
-    let mut _contents = fs::read_to_string(path).expect("I/O error, wrong path?");
+    let contents = fs::read_to_string(path).expect("I/O error, wrong path?");
     //let contents = BufReader::new(fs::File::open(path).expect("I/O error, wrong path?"));
 
-    let result: usize = 0;
+    let mut curr = (0isize, 0isize);
+
+    let mut c_list = vec![curr];
+    let mut edge = 0;
+
+    contents.lines().for_each(|line| {
+        let parts: Vec<&str> = line.split_whitespace().collect();
+        let dir = parts[0];
+        let steps: isize = parts[1].parse().unwrap();
+
+        edge += steps;
+        curr = match dir {
+            "U" => (curr.0 - steps, curr.1),
+            "R" => (curr.0, curr.1 + steps),
+            "D" => (curr.0 + steps, curr.1),
+            "L" => (curr.0, curr.1 - steps),
+            _ => panic!(),
+        };
+        c_list.push(curr);
+    });
+
+    // Shoelace Formula
+    let result: isize = c_list
+        .iter()
+        .zip(c_list.iter().skip(1))
+        .map(|((x1, y1), (x2, y2))| *x1 * *y2 - *x2 * *y1)
+        .sum::<isize>()
+        / 2;
+
+    let result = (result.abs() as f64 - 0.5 * (edge as f64) + 1.0) + edge as f64;
 
     println!("Result 1: {result}");
 
-    let result: usize = 0;
+    let mut curr = (0isize, 0isize);
+
+    let mut c_list = vec![curr];
+    let mut edge = 0;
+    contents.lines().for_each(|line| {
+        let (_, hex) = line.split_once('#').unwrap();
+        let dir = isize::from_str_radix(&hex[5..6], 16).unwrap();
+        let steps = isize::from_str_radix(&hex[0..5], 16).unwrap();
+
+        edge += steps;
+        curr = match dir {
+            3 => (curr.0 - steps, curr.1),
+            0 => (curr.0, curr.1 + steps),
+            1 => (curr.0 + steps, curr.1),
+            2 => (curr.0, curr.1 - steps),
+            _ => panic!(),
+        };
+        c_list.push(curr);
+    });
+
+    // Shoelace Formula
+    let result: isize = c_list
+        .iter()
+        .zip(c_list.iter().skip(1))
+        .map(|((x1, y1), (x2, y2))| *x1 * *y2 - *x2 * *y1)
+        .sum::<isize>()
+        / 2;
+
+    let result = (result.abs() as f64 - 0.5 * (edge as f64) + 1.0) + edge as f64;
 
     println!("Result 2: {result}");
 }