diff --git a/src/Visp.Compiler/Transforms/SyntaxMacroExpander.fs b/src/Visp.Compiler/Transforms/SyntaxMacroExpander.fs
index 0189d37..c3b4b83 100644
--- a/src/Visp.Compiler/Transforms/SyntaxMacroExpander.fs
+++ b/src/Visp.Compiler/Transforms/SyntaxMacroExpander.fs
@@ -17,11 +17,7 @@ open System.Collections.Generic
 
 let (|MatchingText|) str (pat: SynMacroPat) =
     match pat with
-    | SynMacroPat.Symbol(it, _) ->
-        if it.Text = str then
-            true
-        else
-            false
+    | SynMacroPat.Symbol(it, _) -> if it.Text = str then true else false
     | _ -> false
 
 let (|DiscardPredicate|Not|) (pat: SynMacroPat) =
@@ -40,7 +36,7 @@ let rec private matchesPat (args: SynMacroBody list) (pats: SynMacroPat list) =
             // printfn "matching %A with %A" arg pt
             let temp =
                 match (pt, arg) with
-                | (DiscardPredicate,  SynMacroBody.Discard _) ->
+                | (DiscardPredicate, SynMacroBody.Discard _) ->
                     // printfn "DISCAAARD pt: %A lhs: %A\nRESTPAT:\n%A\nARGREST:\n%A" pt arg rest argRest
                     true
                 // TODO: Constant matching
diff --git a/visp/examples/aoc2023/day7.visp b/visp/examples/aoc2023/day7.visp
new file mode 100644
index 0000000..06bd9f8
--- /dev/null
+++ b/visp/examples/aoc2023/day7.visp
@@ -0,0 +1,292 @@
+;; Copyright 2023 Ville Penttinen
+;; Distributed under the MIT License.
+;; https://github.com/vipentti/visp-fs/blob/main/LICENSE.md
+;;
+;; for basic syntax highlighting
+;; vim: set syntax=clojure:
+(require SpanUtils "0.4.0")
+
+(open System)
+(open System.Collections.Generic)
+(open System.Text.RegularExpressions)
+(open SpanUtils.Extensions)
+
+(fn WriteResult (part value ex)
+  (printfn "%s: %A %A" part value (= value ex)))
+
+(let example (not (Array.contains "full" ARGV)))
+(let day "day7")
+(let filepath (+ "./inputs/" day (if example "_example" "") ".txt"))
+
+(let splitOptions
+  (bor StringSplitOptions.TrimEntries StringSplitOptions.RemoveEmptyEntries))
+
+(fn SplitLines ([text: string])
+  (text.EnumerateSplitSubstrings ((!array #\lf #\cr), splitOptions)))
+
+(type Cards list<char>)
+
+(union Hand
+  (FiveOfKind Cards)
+  (FourOfKind Cards)
+  (FullHouse Cards)
+  (ThreeOfKind Cards)
+  (TwoPair Cards)
+  (OnePair Cards)
+  (HighCard Cards)
+
+  (member t.Cards
+    (match t
+      [(FiveOfKind c) c]
+      [(FourOfKind c) c]
+      [(FullHouse c) c]
+      [(ThreeOfKind c) c]
+      [(TwoPair c) c]
+      [(OnePair c) c]
+      [(HighCard c) c]
+    ))
+)
+
+(fn HandRank ([hand: Hand])
+  (match hand
+    [(FiveOfKind _) 7]
+    [(FourOfKind _) 6]
+    [(FullHouse _) 5]
+    [(ThreeOfKind _) 4]
+    [(TwoPair _) 3]
+    [(OnePair _) 2]
+    [(HighCard _) 1]
+  ))
+
+(fn CardsToHand ([s: Cards])
+  (let cardCounts (->> (List.countBy id s) (List.sortByDescending snd)))
+  (let counts (->> cardCounts (List.map snd)))
+  (match counts
+    [(5 :: [])
+      (FiveOfKind s)]
+    [(4 :: 1 :: [])
+      (FourOfKind s)]
+    [(3 :: 2 :: [])
+      (FullHouse s)]
+    [(3 :: _ :: rest)
+      (ThreeOfKind s)]
+    [(2 :: 2 :: rest)
+      (TwoPair s)]
+    [(2 :: _ :: rest)
+      (OnePair s)]
+    [_ (HighCard s)]
+  ))
+
+(fn CardsToHandPart2 ([s: Cards])
+  (let cardCounts (->>
+    s
+    (List.filter #(not (= %1 #\J)))
+    (List.countBy id)
+    (List.sortByDescending snd)))
+  (let counts (->> cardCounts (List.map snd)))
+  (let jokerCount (->> s (List.filter #(= %1 #\J)) +Length))
+
+  (let res (match (counts . jokerCount)
+    [(5 :: _ . 0) (FiveOfKind s)]
+    [(_ . 5)      (FiveOfKind s)]
+
+    [(4 :: _ . 1) (FiveOfKind s)]
+    [(4 :: _ . 0) (FourOfKind s)]
+
+    [(3 :: _ . 2) (FiveOfKind s)]
+    [(3 :: _ . 1) (FourOfKind s)]
+    [(3 :: 2 :: _ . 0) (FullHouse s)]
+    [(3 :: _ . 0) (ThreeOfKind s)]
+
+    [(2 :: _ . 3) (FiveOfKind s)]
+    [(2 :: _ . 2) (FourOfKind s)]
+    [(2 :: 2 :: _ . 1) (FullHouse s)]
+    [(2 :: _ . 1) (ThreeOfKind s)]
+    [(2 :: 2 :: _ . 0) (TwoPair s)]
+    [(2 :: _ . 0) (OnePair s)]
+
+    [(1 :: _ . 4) (FiveOfKind s)]
+    [(1 :: _ . 3) (FourOfKind s)]
+    [(1 :: _ . 2) (ThreeOfKind s)]
+    [(1 :: _ . 1) (OnePair s)]
+    [(_ . _) (HighCard s)]
+  ))
+
+
+  ;; (if (> jokerCount 0)
+  ;;   (begin
+  ;;     (let temp (sprintf "%A" counts))
+  ;;     (printfn "JOKER %A vs %-15s = %A" jokerCount temp res)
+  ;;   )
+  ;; )
+
+  res
+)
+
+(fn SpanToCards ([s: System.ReadOnlySpan<char>])
+  (mut rev (!list))
+
+  (for/in [c s]
+    (set! rev (cons c rev)))
+
+  (List.rev rev))
+
+(fn SpanToHand ([s: System.ReadOnlySpan<char>])
+  (->> (SpanToCards s) CardsToHand))
+
+(fn StringToCards ([s: string])
+  (SpanToCards (s.AsSpan)))
+
+(fn StringToHand ([s: string])
+  (->> s StringToCards CardsToHand))
+
+;;  A, K, Q, J, T, 9, 8, 7, 6, 5, 4, 3, or 2.
+(fn CardRank ([ch: char])
+  (match ch
+    [#\A 14]
+    [#\K 13]
+    [#\Q 12]
+    [#\J 11]
+    [#\T 10]
+    [#\9 9]
+    [#\8 8]
+    [#\7 7]
+    [#\6 6]
+    [#\5 5]
+    [#\4 4]
+    [#\3 3]
+    [#\2 2]
+    [_ (failwithf "unsupported card '%c'" ch)]
+    ))
+
+(fn CardRankPart2 ([ch: char])
+  (match ch
+    [#\A 14]
+    [#\K 13]
+    [#\Q 12]
+    [#\T 10]
+    [#\9 9]
+    [#\8 8]
+    [#\7 7]
+    [#\6 6]
+    [#\5 5]
+    [#\4 4]
+    [#\3 3]
+    [#\2 2]
+    [#\J 1]
+    [_ (failwithf "unsupported card '%c'" ch)]
+    ))
+
+(fn rec CompareCards ([lhs: Cards] [rhs: Cards])
+  (match (lhs . rhs)
+    [((lhs :: lhsrest) . (rhs :: rhsrest))
+      (let res (compare (CardRank lhs) (CardRank rhs)))
+      (cond_
+        [(= res 0)
+          (CompareCards lhsrest rhsrest)
+        ]
+        [_ res])
+    ]
+    [(([]) . ([]))
+      0
+    ]
+    [_ (failwithf "todo %A %A" lhs rhs)]
+  ))
+
+(fn rec CompareCardsPart2 ([lhs: Cards] [rhs: Cards])
+  (match (lhs . rhs)
+    [((lhs :: lhsrest) . (rhs :: rhsrest))
+      (let res (compare (CardRankPart2 lhs) (CardRankPart2 rhs)))
+      (cond_
+        [(= res 0)
+          (CompareCardsPart2 lhsrest rhsrest)
+        ]
+        [_ res])
+    ]
+    [(([]) . ([]))
+      0
+    ]
+    [_ (failwithf "todo %A %A" lhs rhs)]
+  ))
+
+(fn CompareHands ([lhs: Hand] [rhs: Hand])
+  (let lhsRank (HandRank lhs))
+  (let rhsRank (HandRank rhs))
+
+  (cond_
+    [(= lhsRank rhsRank) (CompareCards lhs.Cards rhs.Cards)]
+    [_ (compare lhsRank rhsRank)]
+  ))
+
+(fn CompareHandsPart2 ([lhs: Hand] [rhs: Hand])
+  (let lhsRank (HandRank lhs))
+  (let rhsRank (HandRank rhs))
+
+  (cond_
+    [(= lhsRank rhsRank) (CompareCardsPart2 lhs.Cards rhs.Cards)]
+    [_ (compare lhsRank rhsRank)]
+  ))
+
+(fn ParseHands (ctor text)
+  (mut lines (SplitLines text))
+  (let res (new ResizeArray<_>))
+
+  (while (lines.MoveNext)
+    (let line lines.Current)
+
+    (mut lineEnu (line.EnumerateSplitSubstrings (#\space, splitOptions)))
+    (let _ (lineEnu.MoveNext))
+    (let hand (SpanToCards lineEnu.Current))
+    (let _ (lineEnu.MoveNext))
+    (let bid (span->int32 lineEnu.Current))
+    (res.Add ((ctor hand) . bid))
+
+    ())
+
+  (List.ofSeq res))
+
+(let fileText (System.IO.File.ReadAllText filepath))
+(let part1hands (ParseHands CardsToHand fileText))
+(let part1ordered (->> part1hands
+  (List.sortWith #(CompareHands (fst %1) (fst %2)))
+))
+(let part1 (->> part1ordered
+  (Seq.map snd)
+  (Seq.mapi #(* (inc %1) %2))
+  (Seq.reduce add)
+))
+
+(WriteResult "part1" part1 (if example 6440 253910319))
+
+(let part2hands (ParseHands CardsToHandPart2 fileText))
+(let part2ordered (->> part2hands
+  (List.sortWith #(CompareHandsPart2 (fst %1) (fst %2)))
+))
+(let part2 (->> part2ordered
+  (Seq.map snd)
+  (Seq.mapi #(* (inc %1) %2))
+  (Seq.reduce add)
+))
+
+(WriteResult "part2" part2 (if example 5905 254083736))
+
+;; (printfn "%A" (CardsToHandPart2 (StringToCards "QQQJA")))
+;; (printfn "%A" (CardsToHandPart2 (StringToCards "T55J5")))
+;; (printfn "%A" (CardsToHandPart2 (StringToCards "KTJJT")))
+
+
+;; (printfn "Compare %A"
+;;   (CompareHands
+;;     (StringToHand "33332")
+;;     (StringToHand "2AAAA")
+;;   )
+;; )
+
+;; (printfn "Compare %A"
+;;   (CompareHands
+;;     (StringToHand "77788")
+;;     (StringToHand "77888")
+;;   )
+;; )
+
+()
diff --git a/visp/examples/aoc2023/inputs/day7.txt b/visp/examples/aoc2023/inputs/day7.txt
new file mode 100644
index 0000000..20ce6b3
--- /dev/null
+++ b/visp/examples/aoc2023/inputs/day7.txt
@@ -0,0 +1,1000 @@
+5J984 114
+766KQ 685
+6KQK6 169
+2A663 361
+7T849 916
+AKKQA 144
+99KKK 430
+787J8 587
+7JJ77 757
+5AA9A 561
+A7T4J 166
+Q9A7J 843
+32QT5 11
+88555 936
+99899 421
+K88KK 784
+AA222 806
+6A5T7 911
+5A53A 896
+8J544 827
+99952 377
+9JQ44 950
+KQKK3 670
+963J5 490
+7JJ99 91
+Q6QQJ 571
+26622 866
+68J8T 395
+TQK56 106
+5JJK9 285
+A67AA 197
+99949 645
+56422 955
+A94AJ 636
+8888K 729
+K5993 584
+777J8 445
+2T42T 514
+JTK7J 7
+TA5TT 18
+96J29 249
+44254 801
+44579 130
+QQQAA 903
+A3839 159
+AATAA 511
+6K59A 347
+Q7968 27
+63636 315
+28282 136
+7J44Q 603
+T6JT6 538
+5KA3Q 692
+87Q88 787
+99599 574
+T9AAJ 299
+A737K 663
+7K539 80
+555QQ 240
+5AAAK 897
+233AA 294
+2T233 793
+J5559 357
+T7AJ7 569
+72729 807
+KKQKK 163
+K6KK6 997
+254K5 34
+J7TTK 155
+62Q8T 975
+3AAQK 621
+6QJJQ 500
+AK736 276
+KK666 840
+Q7Q57 260
+836T6 859
+2K22K 5
+97589 216
+ATA2A 783
+5JJ5J 864
+6QJJ6 158
+59K9K 323
+KKK77 893
+33AAA 922
+Q6A3K 669
+6238K 333
+QAQ46 283
+954QK 268
+634TA 471
+22823 393
+A8TQ8 749
+33T3T 727
+5AA77 288
+77KQ7 622
+587KK 42
+AAAKA 736
+T7J77 939
+89A5T 881
+A494K 467
+35T4A 641
+QT85K 937
+7J5T7 337
+QQ4KA 989
+9TA46 492
+7KKKK 224
+JQ478 431
+69665 609
+32Q2Q 967
+QQ9QJ 977
+TAJQK 710
+94448 200
+J4422 678
+2A822 340
+A72K7 179
+J8JJ6 290
+8KAK6 549
+644J6 659
+444K9 612
+3KA97 402
+J3333 928
+96855 261
+Q3K43 779
+33494 303
+4T297 687
+J998A 349
+T999T 860
+79246 341
+97J8J 990
+2J954 448
+338A8 281
+K9999 724
+6666A 327
+JJJ8J 704
+KK5J5 942
+328T5 573
+TT6T4 699
+JQQQQ 961
+Q37TQ 354
+6668K 608
+82222 368
+4449J 650
+TA6AQ 172
+T5J29 383
+52555 24
+A98KA 175
+A2J63 65
+45594 149
+9J784 930
+KJKTK 350
+44484 839
+56585 273
+JQQ46 945
+8JKKK 400
+KK4T4 617
+5K553 1
+2227T 225
+T3TTK 853
+8TT88 404
+8TJ64 270
+A927K 594
+A79A7 589
+JT499 957
+Q88Q8 730
+2A2TQ 913
+AQT58 87
+444AQ 737
+7777J 452
+TTT39 8
+JAAAA 243
+43533 102
+53333 598
+6QQQ6 711
+33JTT 308
+98QQJ 124
+66644 300
+64K36 46
+JT8K9 921
+35AA3 848
+2QQ72 161
+2A4QQ 90
+6J777 52
+9T299 75
+JJ999 204
+7977K 499
+32357 742
+JQTKT 810
+89998 81
+82QTQ 734
+778AQ 522
+T992A 847
+TT85T 138
+K9KQK 841
+Q6654 367
+333JQ 122
+QQ655 219
+76699 966
+4J784 66
+7AJ84 557
+J363T 548
+23487 732
+6635A 604
+22J92 223
+44494 983
+JTTKK 214
+993AA 61
+35462 147
+T6666 94
+5QQ22 946
+58QQ5 607
+569K8 520
+97J7A 940
+9955K 356
+99J9A 797
+57566 863
+77KK7 447
+6K999 504
+QQ6A6 111
+49979 712
+Q888T 882
+45875 611
+Q8A9A 735
+6Q2QQ 648
+44545 370
+4A994 177
+5KQKK 86
+TT9TT 241
+TQQ4T 145
+2366J 705
+J5388 796
+555TK 317
+KK822 959
+T44JA 614
+2Q762 295
+33539 570
+AA7J7 215
+22277 314
+366JA 129
+58888 17
+8A8A8 302
+54499 919
+884JJ 412
+5Q554 150
+AT96K 649
+27K2K 190
+4J2K7 776
+99QA7 886
+A4558 760
+TT3TT 850
+92522 183
+33777 460
+99246 802
+45995 373
+66866 618
+KA77K 496
+66QQ8 221
+55755 780
+658KQ 994
+78T77 910
+K55K5 951
+T9KA7 728
+K6923 97
+T7977 189
+7AAAA 275
+J9666 255
+66736 918
+339Q9 803
+34333 599
+J9599 157
+JATTA 267
+Q336K 312
+J6598 40
+Q8Q8J 537
+T2TTT 76
+7T7T7 502
+24222 682
+55K5J 865
+29692 743
+99276 543
+5KQQQ 938
+7T78K 889
+6577Q 310
+645KA 78
+68222 854
+33K25 998
+66K66 207
+59939 510
+7858J 521
+A9947 55
+T2J3Q 374
+9QJ39 898
+AATA8 733
+AT38T 700
+K7Q29 384
+26JQK 19
+J5333 263
+52K95 525
+QQAQT 459
+88868 808
+9QJ55 233
+3KAA2 651
+7633A 953
+45542 126
+96T88 494
+KKK95 182
+3TQ56 572
+8QTTT 747
+5TTT3 428
+445J5 164
+5788T 399
+7KQKQ 653
+A5688 826
+T3JTT 51
+7JJ79 713
+355AT 782
+TQJKQ 388
+KKT9K 409
+22332 465
+A6566 824
+AJA99 2
+654J6 43
+55T45 948
+7989T 697
+2249J 206
+33336 991
+8932A 472
+5A6T6 245
+2T2TT 429
+9JQJ9 242
+J7JAA 746
+78TQ4 809
+99494 563
+28JA3 547
+A3A9A 389
+9QQTT 696
+73T89 390
+825JQ 186
+737Q3 654
+K33T3 481
+QQ8QQ 418
+66A5A 201
+5Q327 965
+23233 970
+T33TT 26
+T45JJ 420
+88684 32
+KT696 758
+A3A8A 324
+JTA78 518
+J3838 539
+KJAAA 606
+92999 237
+39933 22
+922KA 365
+T44T4 871
+49J3T 680
+66688 716
+8Q68Q 721
+6676J 844
+2K426 986
+Q6J3K 952
+96A64 104
+84448 907
+A9A76 888
+TTT4T 887
+44TKT 805
+22QQ2 123
+78293 208
+58T59 634
+92TKQ 773
+J9J9J 184
+JQQQK 218
+5T88T 885
+T6TT9 980
+22J22 154
+7Q777 364
+47474 909
+AAAA9 979
+75655 292
+TJ942 693
+Q4AT4 9
+T8J85 745
+JJK7K 777
+76T8A 309
+88A7A 332
+74Q3J 656
+56TJ5 211
+23K72 475
+QK8K8 318
+2922Q 264
+T4QQ9 666
+97999 676
+K83T8 173
+552J7 553
+6J7KA 162
+ATA7T 778
+AA94K 681
+83K63 414
+K77K3 441
+544JJ 305
+J2252 625
+46JJ8 25
+4282A 466
+66468 630
+98Q5Q 739
+62346 371
+4K89Q 926
+8222K 462
+4T33T 794
+82T38 534
+5A55A 973
+AAKKJ 535
+6A342 505
+TQTTT 588
+KA8A4 256
+J2454 116
+89K5J 723
+43855 199
+38T47 140
+J9AA2 551
+24242 422
+T2KTK 963
+5493Q 532
+67446 647
+J5QQQ 133
+KK6KK 748
+JTTA8 6
+5A78A 644
+59552 29
+7JAAA 449
+6QK43 686
+8288K 668
+777KJ 917
+87656 869
+55322 901
+5AA5A 544
+48888 222
+4Q794 101
+97979 360
+5J37Q 93
+2QKK9 497
+52525 134
+7847K 923
+TAJTT 879
+4ATQK 64
+53Q22 440
+K843Q 195
+555T5 286
+JQQAA 643
+JQQJQ 506
+J329J 329
+72222 981
+79J99 877
+9QQ97 236
+QJ676 593
+TTJJT 446
+KQAKK 394
+68886 738
+7238T 799
+K32K3 258
+29442 673
+8Q87Q 212
+6J965 444
+A7J45 454
+J99KK 637
+42AA2 105
+J6556 478
+33ATJ 473
+26A6Q 517
+QJQJ5 932
+K45TT 425
+894TK 944
+99A97 411
+A8557 583
+T2T99 398
+K43Q2 397
+K3TT3 72
+QQQQ6 278
+Q5KK5 450
+TT222 660
+TTT7T 185
+4JTQJ 56
+77A77 375
+78888 345
+7AQT2 905
+84A58 899
+4KQ28 230
+T8529 16
+42424 894
+99922 451
+Q9QQ2 352
+32299 403
+2K465 396
+68Q3T 313
+4AJ44 635
+993J3 108
+27772 845
+JAA3A 818
+43242 468
+JQ52J 718
+4K3KK 702
+22KK3 493
+Q5QKA 82
+22666 413
+J3Q29 120
+694K3 876
+888Q8 229
+2AQQ9 271
+843Q9 890
+6476J 250
+82T49 457
+AJ2K2 988
+Q678T 674
+Q4T9T 792
+25274 519
+555TQ 714
+52858 852
+579JJ 355
+JT664 771
+68JQT 559
+K4KKK 455
+QAA9Q 321
+2T2JA 836
+K68J2 706
+JTTT5 69
+TQ58T 580
+ATKT7 464
+7J977 765
+T4487 536
+8K382 672
+54533 284
+92A99 392
+K995J 344
+78737 67
+A5623 319
+389QA 307
+J4244 210
+7799J 156
+3A44A 89
+44458 825
+263K5 213
+TTTJT 228
+33833 862
+333Q9 616
+8J888 639
+4J446 372
+8Q423 193
+4T55T 57
+8949J 731
+KK5K5 331
+Q99AQ 279
+6T262 73
+A725T 53
+59555 4
+2A27A 165
+3A72A 23
+2K5A5 358
+K98TA 822
+55554 100
+777T7 474
+QJAKK 369
+352J5 586
+8A639 615
+63Q3J 655
+26QQJ 829
+TTT66 417
+6QA8A 949
+47A78 31
+47J74 437
+86342 419
+36T59 508
+6Q8K6 891
+646AA 987
+46666 342
+85QK8 320
+98588 289
+96969 251
+K5QQK 85
+J7775 755
+88484 435
+4JAQT 426
+4J5J6 816
+522Q8 741
+83QA5 868
+3J6J3 984
+2J2QQ 15
+44644 247
+6AA6A 912
+4922A 96
+TTAAA 160
+A9JTJ 433
+J5799 59
+K7K72 453
+TTJ9T 873
+J844T 821
+45343 744
+555A5 385
+T724J 812
+46TT7 830
+KQJ29 768
+3K33K 343
+J977K 381
+999J2 664
+4863K 92
+48Q6K 434
+44J4J 971
+99Q99 458
+89898 432
+78772 37
+753J2 756
+7K75A 143
+45556 578
+4Q6AT 287
+K35JK 992
+999KK 338
+Q6KQQ 856
+Q2264 469
+47TKA 107
+85559 280
+88777 239
+45TTJ 766
+QQ988 180
+7A3A3 456
+23397 556
+7TJK2 470
+6T6T6 366
+A585J 391
+2K2Q4 914
+AA6AJ 135
+A4AA4 560
+4TK48 823
+34944 566
+33977 226
+T8TTJ 833
+777K7 170
+9J388 683
+95955 304
+TTQQJ 205
+2T6A2 501
+52424 690
+JAT2J 512
+95566 769
+TA3KJ 633
+55A45 487
+AA333 209
+A5K29 601
+8AA8A 3
+27AK6 610
+44445 786
+2K44Q 137
+9KA59 359
+TQ488 118
+36886 934
+J7KJ5 993
+77787 410
+A777A 44
+76732 626
+3K3KT 838
+KK46K 513
+J3633 781
+J3733 555
+99399 804
+9K6T4 552
+9K9QT 171
+5TT59 408
+8T37J 929
+2864K 12
+55333 259
+4485K 662
+Q7QQQ 336
+TTTTA 638
+Q3T33 947
+98993 296
+J4334 642
+3J999 139
+3QQ44 60
+43K92 597
+56733 695
+22Q39 117
+4J2J8 775
+3QQQ3 217
+66558 795
+AA2K2 762
+22JJ2 531
+85742 851
+87QTK 20
+8JT6T 187
+244Q4 188
+2TT49 335
+44K44 152
+883A9 585
+T6J32 376
+5JK2J 148
+J8J38 379
+36KT2 567
+JT662 602
+JQ5KT 83
+2222Q 627
+Q699Q 763
+9Q24Q 798
+TJ7A5 576
+8958Q 109
+2T73T 322
+Q7493 88
+3J33J 872
+9J8J8 722
+J7A2K 191
+55758 119
+Q6466 326
+79352 115
+3T3K6 252
+464Q4 995
+356J8 740
+J9JQT 540
+96233 554
+92AJ5 79
+42228 709
+4J84K 346
+74A4A 178
+89229 277
+2T6J2 565
+Q9Q99 49
+T33Q2 45
+9Q9A3 985
+63969 541
+Q44QQ 524
+A9999 935
+ATTTA 815
+Q75JQ 238
+4787J 596
+QQ7Q7 564
+5J7T3 386
+98T99 382
+T8J82 884
+64464 297
+TTT2J 753
+699J9 623
+5J755 167
+333A3 751
+JJAAA 867
+A8A58 969
+TKKKK 232
+TT57T 1000
+JJJJJ 35
+Q8Q2Q 906
+44A44 363
+38A2K 203
+J5KAQ 691
+K2KK6 328
+6AQQQ 878
+7K5TA 999
+AQ272 95
+86JAT 298
+7TATQ 125
+3K382 439
+3TT99 509
+TKJJ2 99
+6J4K2 752
+28687 244
+A243A 689
+QQQA8 168
+6AK5Q 407
+3J739 870
+T565T 933
+QTAAQ 351
+539K8 311
+77T9Q 819
+889T5 98
+55T9J 924
+2Q5J3 968
+KQ32Q 631
+5K225 142
+57788 715
+AQQAA 198
+JQ24K 77
+78788 174
+2293J 488
+77772 958
+57995 849
+KT87T 754
+J895J 141
+T36KA 254
+AAA2A 334
+3A999 58
+TJ2JT 416
+K2227 545
+5J3T5 550
+64964 925
+63T69 41
+2TQQ4 837
+KJA87 533
+3778J 528
+JQJ9A 21
+42J36 227
+529K7 196
+QT8K3 832
+J8QQ5 84
+8K6J4 976
+J8JQ8 231
+5AJ8A 591
+Q9T66 498
+7557J 70
+T48JT 476
+75552 632
+AAAQA 282
+75725 401
+T996Q 405
+467T8 39
+KQKQK 620
+4Q237 265
+A9JAA 892
+A3K7Q 772
+3Q6J5 132
+634J3 904
+Q6255 272
+8A9A8 13
+QQQQ5 590
+56566 112
+66477 701
+56QJQ 640
+QAK84 875
+4KQQT 68
+63QTQ 526
+K425T 71
+888KK 362
+J984K 489
+6666J 931
+33732 770
+7227J 482
+KK5K2 895
+A2588 707
+58333 248
+3928K 253
+KKTQK 131
+94A77 121
+Q8688 527
+JQK99 339
+KT335 491
+2J22A 387
+32977 717
+6A6A8 834
+2K2KK 54
+A997A 726
+6J66J 652
+27979 151
+A66T6 235
+4J444 694
+4A8K4 579
+J6AJ4 28
+244QA 74
+366KJ 220
+7T3T3 814
+49494 954
+8866Q 811
+T3K42 613
+7Q878 257
+6793Q 813
+K993K 262
+2544A 306
+9J999 62
+4TT98 47
+22225 790
+JATKA 855
+43726 629
+6T556 820
+AJT2T 523
+2227A 978
+6QQJ6 427
+A4A7A 529
+88882 63
+88T88 791
+555JA 677
+J8J88 708
+KK9KK 516
+45455 831
+T54TT 463
+J3T66 661
+535J9 10
+3A2AA 671
+2J22T 764
+JQ7KK 725
+33337 720
+ATT3J 192
+Q7QTQ 153
+27A3Q 767
+J63JA 423
+KT453 293
+27TTJ 658
+K7Q54 477
+64Q46 436
+984TQ 679
+AAJ54 817
+4K424 858
+55T7Q 575
+79377 274
+4JQ54 194
+434Q2 181
+AJQ8K 128
+2TT92 595
+37J7T 605
+QQ8Q4 920
+4999T 484
+K4K7K 880
+9222K 443
+77767 646
+AJJAJ 964
+A782J 785
+35A7K 789
+QJ42J 703
+4J243 14
+JTAAA 835
+A7425 479
+A5TTA 546
+9Q298 562
+53935 582
+6643Q 406
+4TJJT 507
+26666 234
+QQ5Q2 480
+557AA 624
+TQ35Q 495
+72767 38
+T95A4 146
+88KA5 996
+35735 592
+KJJKK 577
+453K6 883
+AA4AA 542
+67895 530
+KKKKJ 684
+6469Q 316
+648J5 842
+74747 483
+3J63A 874
+4K5TA 960
+65555 915
+26K2K 759
+TT933 941
+AA2J6 667
+33344 675
+KKKAA 788
+55656 600
+634T7 36
+7TTQJ 438
+TJ444 902
+2266J 291
+77775 325
+66JQ6 378
+69669 461
+27K86 568
+493AT 688
+5JJ5A 503
+T5TTT 956
+TJT73 982
+8J272 380
+KT9TT 103
+463A4 48
+66TTK 719
+27QJJ 246
+JQ5Q5 330
+A39T2 900
+QQ33T 800
+5JJ55 774
+38526 424
+77774 828
+A547T 761
+5449J 110
+KKAA4 301
+6T549 176
+39AA3 972
+55977 628
+727A4 127
+4J247 665
+97777 202
+K5Q38 353
+5J555 558
+KA587 943
+77667 908
+KJ7T4 348
+69667 974
+3JT38 750
+33AAQ 415
+TJ22T 962
+76876 927
+75722 515
+A3822 581
+7Q44Q 857
+QQQAQ 33
+9AA9A 266
+Q7QJ2 619
+J7K72 846
+7A6A6 861
+666Q6 657
+333JA 113
+7243A 442
+2KT94 50
+8898T 485
+3AJ53 30
+42J22 698
+585J6 269
+QT527 486
diff --git a/visp/examples/aoc2023/inputs/day7_example.txt b/visp/examples/aoc2023/inputs/day7_example.txt
new file mode 100644
index 0000000..e3500c3
--- /dev/null
+++ b/visp/examples/aoc2023/inputs/day7_example.txt
@@ -0,0 +1,5 @@
+32T3K 765
+T55J5 684
+KK677 28
+KTJJT 220
+QQQJA 483