add uncommited stuff from 2023

7 files changed, 1479 insertions, 10 deletions

diff --git a/2023/Cargo.lock b/2023/Cargo.lock
index 51c0f38..9f0be88 100644
--- a/2023/Cargo.lock
+++ b/2023/Cargo.lock
@@ -6,16 +6,69 @@ version = 3
 name = "aoc2023"
 version = "0.1.0"
 dependencies = [
+ "nalgebra",
  "num",
 ]
 
 [[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
+name = "bytemuck"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "374d28ec25809ee0e23827c2ab573d729e293f281dfe393500e7ad618baa61c6"
+
+[[package]]
+name = "matrixmultiply"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7574c1cf36da4798ab73da5b215bbf444f50718207754cb522201d78d1cd0ff2"
+dependencies = [
+ "autocfg",
+ "rawpointer",
+]
+
+[[package]]
+name = "nalgebra"
+version = "0.32.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "307ed9b18cc2423f29e83f84fd23a8e73628727990181f18641a8b5dc2ab1caa"
+dependencies = [
+ "approx",
+ "matrixmultiply",
+ "nalgebra-macros",
+ "num-complex",
+ "num-rational",
+ "num-traits",
+ "simba",
+ "typenum",
+]
+
+[[package]]
+name = "nalgebra-macros"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91761aed67d03ad966ef783ae962ef9bbaca728d2dd7ceb7939ec110fffad998"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "num"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -90,3 +143,88 @@ checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
+
+[[package]]
+name = "paste"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.71"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rawpointer"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a357793950651c4ed0f3f52338f53b2f809f32d83a07f72909fa13e4c6c1e3"
+
+[[package]]
+name = "safe_arch"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f398075ce1e6a179b46f51bd88d0598b92b00d3551f1a2d4ac49e771b56ac354"
+dependencies = [
+ "bytemuck",
+]
+
+[[package]]
+name = "simba"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "061507c94fc6ab4ba1c9a0305018408e312e17c041eb63bef8aa726fa33aceae"
+dependencies = [
+ "approx",
+ "num-complex",
+ "num-traits",
+ "paste",
+ "wide",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+
+[[package]]
+name = "wide"
+version = "0.7.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c68938b57b33da363195412cfc5fc37c9ed49aa9cfe2156fde64b8d2c9498242"
+dependencies = [
+ "bytemuck",
+ "safe_arch",
+]
diff --git a/2023/Cargo.toml b/2023/Cargo.toml
index db7ed2a..ba69845 100644
--- a/2023/Cargo.toml
+++ b/2023/Cargo.toml
@@ -9,6 +9,7 @@ edition = "2021"
 opt-level = 3
 
 [dependencies]
+nalgebra = "0.32.3"
 num = "0.4"
 
 [[bin]]
diff --git a/2023/day21.rs b/2023/day21.rs
index c533177..bcad5ac 100644
--- a/2023/day21.rs
+++ b/2023/day21.rs
@@ -73,9 +73,12 @@ fn main() {
         m.push(r);
     }
 
-    let res1 = bfs(64, x0, y0, &m);
+    let res1 = 0;
+    // let res1 = bfs(64, x0, y0, &m);
 
-    let mut res2 = 0;
+    let steps = 26501365;
+
+    let mut res2 = bfs(264, x0, y0, &m);
 
     println!("res1: {}", res1);
     println!("res2: {}", res2);
diff --git a/2023/day24.rs b/2023/day24.rs
index 69f0b74..09274c7 100644
--- a/2023/day24.rs
+++ b/2023/day24.rs
@@ -51,10 +51,10 @@ fn crosses_xy(s1: &Stone, s2: &Stone, coord_min: f64, coord_max: f64) -> bool {
 
 fn main() {
     let args: Vec<String> = env::args().collect();
-    let filename = if args.len() == 1 {
-        "in/".to_owned() + args[0].split('/').last().unwrap() + ".pzl"
+    let (filename, testinput) = if args.len() == 1 {
+        ("in/".to_owned() + args[0].split('/').last().unwrap() + ".pzl", false)
     } else {
-        args[1].clone()
+        (args[1].clone(), true)
     };
     let mut f = File::open(filename).expect("cannot open file");
     let mut content = String::new();
@@ -70,10 +70,11 @@ fn main() {
         });
     }
 
-    let coord_min = 200000000000000.0;
-    let coord_max = 400000000000000.0;
-    // let coord_min = 7.0;
-    // let coord_max = 27.0;
+    let (coord_min, coord_max) = if testinput {
+        (7.0, 27.0)
+    } else {
+        (200000000000000.0, 400000000000000.)
+    };
 
     let mut cross: Vec<bool> = Vec::new();
     for i in 0..ss.len() {
@@ -81,7 +82,6 @@ fn main() {
             cross.push(crosses_xy(&ss[i], &ss[j], coord_min, coord_max));
         }
     }
-
     let res1 = cross.iter().filter(|x| **x).fold(0, |x, _| x + 1);
 
     let mut res2 = 0;
diff --git a/2023/day25.rs b/2023/day25.rs
new file mode 100644
index 0000000..d622bdd
--- /dev/null
+++ b/2023/day25.rs
@@ -0,0 +1,39 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+#![allow(unused_mut)]
+use std::env;
+use std::fs::File;
+use std::io::Read;
+use std::collections::HashMap;
+
+type Matrix<T> = Vec<Vec<T>>;
+
+fn str_to_num( let mut hm: HashMap<&str, usize> = HashMap::new();
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    let filename = if args.len() == 1 {
+        "in/".to_owned() + args[0].split('/').last().unwrap() + ".pzl"
+    } else {
+        args[1].clone()
+    };
+    let mut f = File::open(filename).expect("cannot open file");
+    let mut content = String::new();
+    f.read_to_string(&mut content).expect("cannot read file");
+    let lines: Vec<_> = content.trim_end().split('\n').collect();
+
+    let mut m: Matrix<bool> = vec![vec![false; lines.len()]; lines.len()];
+    let mut hm: HashMap<&str, usize> = HashMap::new();
+
+    let mut n = 0;
+    for line in lines.iter() {
+        let (a, b) = line.split_once(": ").unwrap();
+        println!("{}         {}", a, b);
+    }
+
+    let mut res1 = 0;
+    let mut res2 = 0;
+
+    println!("res1: {}", res1);
+    println!("res2: {}", res2);
+}
diff --git a/2023/in/day25.pzl b/2023/in/day25.pzl
new file mode 100644
index 0000000..5044927
--- /dev/null
+++ b/2023/in/day25.pzl
@@ -0,0 +1,1275 @@
+zvk: shb cxf qlp jkz
+mtl: jvv grn dpt gzc
+rgl: hfg
+rpt: zhq
+fnx: nrs xnq nhc czd
+dqb: hhg dkk
+mfg: szc xqh
+kvr: pnh
+xfj: mtz
+szp: hlv fqg knb tsg
+fds: hqv rcs gnk rrx frt
+frr: fhp ddk
+jzr: lxd brl cjz grp rgc
+xgc: bbj jzv pmm
+xdv: ckf
+fxx: qbb djb
+hzp: bql nxl ngz xpc
+lqz: zzq nrr dpt xpx dhd
+zlc: bdz zzx
+rkx: clp ptr
+rbm: mnp ljg fnb vhd
+tbv: xtr xdk zqf vjr
+tth: dvf
+cks: rgc fcs vgj spq
+hld: qpd
+rfr: bsk gls bgx nqq
+bjr: tks jfj xsp
+cqz: jlt pxr zzz
+rms: nrr nlc flm mzm
+jsq: fhv lvd vkf mtz fsk thv
+lgc: nkv
+jls: dgx lcf
+nbp: khr mlr qcd
+vxc: bdc zpm xxl bft
+gtv: rcz qzn fnq gjh spq
+mvj: zxn rgl xvn
+zgv: xlq rpt dgh
+zxz: vfb xrn zbz fjj kpm str
+sbq: dcg gjg pmj
+zhj: xft snk lhm bhc zhk
+qvn: mvm fqx
+qsv: jfj
+zdn: jjd ppn jgk
+qrk: mtg
+mcv: xcl
+hpb: fbv btm
+xnb: tcm rlm rvh
+tjg: pgj bqb qjd
+kld: rrn
+vbj: msm xst xrr
+dpt: hvp pqg
+xpc: kkg
+dqd: mjm hqd cdv krg rjr
+ggr: rtm vrv vtl
+fql: jtf kzk vxk
+xzp: vtg xvv kdr zck kld
+knc: thz cbz
+rzl: xff xjj
+zlm: cnv
+gmg: sgh
+qpg: bzz qpr kvc
+brx: lpm lpl dlc xxb
+frt: rkh jvr sbc
+rtr: gzb zhb kbk
+mcq: gbl vdl mrc fcv
+pbn: pfh sjk lgd fcb zxn
+krg: hgv lxl
+nzk: pbc mjh bdc gjq
+gbl: dpm pdl
+tsl: rjg lqd pfh
+fgr: tvm npm
+hxt: dxv xtc jgs nhc
+lxn: llp sxc vqb hfq
+psj: dmj mzf tpl xnx
+xsl: vql hkx qcc pqc hph
+rcr: nzx xbr
+njj: lfg srh cbv
+pjf: rxv zsx rcr
+hfq: jzv nnv
+flf: zjb vmq sfm mvj dzb xrk
+gjk: skk tcp
+ddh: mmq cqz bcx fqg
+jfh: mtt lcr mns jsj
+xmm: mvs lxs
+mpr: gmq pjf jdr tbf
+jjn: qjd vzc
+thp: gfs hzs ggs
+ssb: ljm
+thq: xsf kdb hkx
+xlj: rrn vql mkg
+ckm: hzf ggg rjk
+tdc: vjj gms cns nsv
+vlz: vqc gbv
+rrd: bxz vqk
+rtm: kjx
+qql: bnf nmp
+lrf: thz rzd jnm
+cvl: qlj dvf vxl
+mrc: xfj
+rgd: vhq jtx rpl zsx fgv
+zzb: jsx mgp
+nxg: bdz
+btc: vck sxq cdz
+vdh: lgk
+dst: nmv gcz
+hpv: skv rmr hjk scl
+pdm: qrk
+tbh: bdc jhq
+lpr: gph dmh
+fcb: rqm kts jvg
+lrv: cbv
+lbt: qsl
+jcr: dqb zgk
+rhm: vjr csb lxq sfk
+jdl: jkx jzm bxb vms
+gdt: jqx fsk gkb xpf
+ngn: llz bfh
+hrx: zbc kpg mrr vdh
+hnf: bmp kdt
+ggq: nrs rxg pps vqq ztt
+fcc: vtq xxc
+pcr: jsp
+jgc: xvt gmv sdm ptr
+tpt: mml
+pdb: fvg rtr bpk fpn nss jkd
+ppx: pnc bhc
+ksm: kvc bmt stx
+gpv: nnt dlc ltr jfs
+pcx: sgg kps
+jfb: bvn zkh
+fqb: fpn tbm xhr pnn
+bxb: fnq
+ndl: mtv nlg
+tnv: dmv pzc dvq xpf
+gxf: bvn tlf
+ncd: xpc dnf nbs hlv jrh
+ckp: zbg fvt
+mjv: btm kvc
+cgf: dbg fll kdb ndp
+lzf: jjd glj nhz
+zrv: jbp slr
+rxg: bdz
+hzs: xnk
+rdz: klf rnx blc rkb
+pnn: nzx lhp
+kzq: drn gjq qvs xkd
+zpm: spk
+jnj: fjj bjk lfc stl xds
+jdr: pcx
+hgx: dxm txl jvg sgc
+zsn: kjk nbz hhg
+zlr: jxp bbj hhg tdx
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+ngd: cdt xst tkt
+nkv: nbs
+fvz: hmq tts
+jkx: hpm chx ftn
+xqh: qhr klf
+dhd: pmj tth
+sqf: zzr bnr mrb bfv
+mhc: hnf qph tlk htm glc
+dns: qbm gjg
+kdb: lbq
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+rrm: dsq xgn jhq znz
+psc: kpz zjb xnk hmq hbm
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+ssx: klf zcp
+xlk: mrj rzm nvd
+gfg: ltb hjx bqc qmc flp
+thz: jfz
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+mgp: vql fxq
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+gns: pgr txb vqk llc
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+vzm: jsp
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+flm: bmg xrr
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+bsx: dlg hvp smf cdt
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+mmj: blj lvz xtd qbm
+lqd: vlz
+qvs: rqm
+ght: zvq ltp
+ggg: txz
+lnb: qsl
+ffj: ftn pcr cdt
+pzd: bgq jlh qst qlx
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+jnm: tqm ghs
+rkl: rnt
+tzc: dch
+dhr: mkd ghg hxn
+ssd: mql xhr ltp mqr xqh
+bjj: clb nhc jdg fpn lqd
+tjl: ghd lzf rbp
+cgt: lsg
+vsk: cbt shq
+bcv: bfp fqh
+bcn: hzr rkx vjj pqp
+csb: hvt djq pqt
+zbc: qpb
+lpq: hsg pqq lmh
+csr: hgl jgk dnm
+pcs: gqn vlf kzk jqr
+bhj: hqd ggg nsz xnl frq
+xjm: xqd vtc glc
+sdm: grh xvm
+zlv: fhp jsz
+hvp: xvv rrs
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+cbf: jfc
+fxm: xfj pzh grf rzg
+mns: nmf gfj nlh rjg
+mvz: kvc lpd lxl
+vjl: kql pxr txz drp jxq
+pcp: zgm qbm cfz
+rcz: gbt lqf
+rlp: jhs cgv bgx zlp cpd
+gkc: jcm
+qvt: cfm dpx pnh
+kqj: xfv xzd
+clc: bpk
+bvn: dtg
+ffr: gms ksr rvh
+flt: kjk ftt cmh
+vlp: bkg zlp ffh ndz ftk tqm
+xbl: jfz xng hpb vdr mlq
+dvd: dkb svv
+xdk: spm lrv trh
+qlj: pmm lzv
+cfm: lpm
+lgd: xfq klm
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+lbg: fcv hqs vtq
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+fdl: gnk nlh zcx ppx
+rqm: vhd dmj
+vvd: dmp vkp lbk vtr
+bjp: dcl sgc pdl tmq
+shl: lbt rtc rrm
+ctx: tzf
+bxm: tlf
+dsg: hjx rtd
+zgm: zrv xzj qbk jns kvr
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+tcm: znz mlr
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+qmq: rph
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+flc: rgf jrk lnq
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+kvf: txl lhp ztr
+dlm: jfz jhs jgb gsg
+ckr: mbc msp bsx nqc
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+sxk: vrj zmn
+nbd: klx
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+mlb: lnq bcn vnz qsl
+bmp: gdq zqf
+mlc: djb cdh mjp
+mrr: dcz gkd ssr bnn dbc zbc
+jsj: cdx plj
+qrh: grl nbd vmx sjr
+dxn: bgq
+txl: xpm hnd
+jvd: jzm
+bhk: rcs xvm jsz
+xbv: xtr lxl
+npz: nss dsn nml pql
+chs: gxf gmv
+dmv: ffm bdh
+qsl: ppn
+cfx: vcb qpd spk tzf
+ksp: tvm bbt hkj
+lfc: bxd npm fsk cjl
+rjj: hmq gkh xrk mvs cft
+qcm: zxp zzz dgh
+nmv: xch
+ztq: sxp sfk
+ttj: jlz trr
+xrk: gbl
+vjv: nnt qsh lxm bfv
+bgj: ssb mrn lzf
+qfn: cbv jzm
+dpg: zhq
+ckd: jcm fvt mkg
+bdl: hsc xqz mtn btp vtz xzj
+qzh: bxd pgr
+cmg: stz
+qtx: vnz bsr hld shz vjj
+nsz: vjf vlp
+hmz: qsv cpf jlz lmg
+hjk: lgg
+trk: gpq jkd gnk
+nbz: xng czr
+rnb: mmq lbq
+hnd: shq hld kbt
+rzd: vjs svk xtz
+fhr: qkq nkj gfb kzq
+vvv: svt bhg vrb
+vck: vzm ddz jlt
+chd: xgz gjd ljs brl
+dts: hhs qtg jrk
+hbp: ldc xvk rcz
+hmr: nbd jzm
+zls: dpm ztr bgt nmp rcj mtg
+nbm: bfp zpt
+hdl: xxf ctb rcx hlc
+fhv: qjv
+nkt: rtq bmg
+jsn: lpd
+qdc: rpz bqc ngp pfh
+xkr: flp rnq rpl cdx
+tfd: ghs lpl
+zbt: qvn fgl qgs sbn vlz
+gcz: pxc
+rqj: kld
+qld: vrv
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+sbn: qql tmq lzr
+dvf: tks brl
+ddx: hpz zvh
+brh: hlm rcz zck xkq
+nfp: kql cjd btc
+dbs: mzf
+smf: cvz zqf
+flp: rph qkj qpb klm
+cxm: pjf ngp
+qqz: mcv fjl qnr zsr
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+fcm: cgv cfm zrv xlq
+czr: mmq
+vgj: lbk
+glq: dbs zfl
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+gmj: cnv gnb rmk
+qtg: hbm
+clp: gmg
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+zdq: grh
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+dxv: dhh sbn
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+phl: ddd zxq llm tth
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+btp: zsb pnh
+dhl: rkf jgb
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+czf: zxq chx rrn sxq zxp
+jsh: mlr rmf
+ngz: xrf gkf rxr
+pkm: pbf
+tcd: ftt zmn
+tnc: gcz kvs gkc
+lbc: zjb mrn xff
+mtg: mfn
+llz: qmb jts zck
+rgf: tpt
+dvq: scl qpb ffv
+gfj: xnq pql lxs
+rpz: xnq vhd
+lqq: blj zqf fxq kkg vnv lmn xms
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+gvd: trr vjf
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+ccf: rct hxz zpt
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+zbv: zlp vjf xfv pcr
+qzn: pjp
+brj: kdb qlp gcz jzm
+dpx: qcc
+xhg: npj fhv gjq dbs
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+kmx: gbv
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+hhd: tlk ksm cmh
+thv: lhm dpb xjj
+jkz: rkf
+xpm: zrj djm ptr jgs stz
+sgj: tsg nlg
+jsx: cqd qhl
+kqn: vrs mjl bbr jjn
+cbt: stz
+msd: xfq djv kjx
+lhc: hjk ssr kgl rnq kjx
+hmq: hjx
+nxv: svt rsf
+glm: zbg
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+mqb: jxp ccf
+dbl: tcp kbs kzh
+hqd: hpg xng
+cvx: xvm
+kpn: hmp hxn
+vtr: djb zpt
diff --git a/2023/in/day25.ref b/2023/in/day25.ref
new file mode 100644
index 0000000..bbfda0b
--- /dev/null
+++ b/2023/in/day25.ref
@@ -0,0 +1,13 @@
+jqt: rhn xhk nvd
+rsh: frs pzl lsr
+xhk: hfx
+cmg: qnr nvd lhk bvb
+rhn: xhk bvb hfx
+bvb: xhk hfx
+pzl: lsr hfx nvd
+qnr: nvd
+ntq: jqt hfx bvb xhk
+nvd: lhk
+lsr: lhk
+rzs: qnr cmg lsr rsh
+frs: qnr lhk lsr