Day 11, 12, 13.

.gitignore

@@ -0,0 +1 @@
+__pycache__

README.md

@@ -10,4 +10,7 @@
 - Day  8: 61:00 and 10:00 for leaderboard; I need template code for searching coordinate systems
 - Day  9: 58:00 and 7:32 for leaderboard; I need code for 2D stuff
 - Day 10: 25:20 and 12:17 for leaderboard; okay, okay
-- Day 11:
+- Day 11: 45:00 and 18:00 for leaderboard; arg, it was doable man
+- Day 12: 39:45 and 9:46 for leaderboard; the people are ready for there searches :D
+- Day 13: 44:00 and 12:56 for leaderboard; these people are just good, seriously
+- Day 14:

d11.py

@@ -0,0 +1,143 @@
+import re
+from string import ascii_lowercase, ascii_uppercase
+
+def extract_single_digit(line: str) -> int:
+    r = re.compile(r"\d+")
+    for m in r.findall(line):
+        return int(m)
+    raise Exception("No single digit sequence in '{line}'")
+
+def extract_digits_list(line: str) -> list[int]:
+    r = re.compile(r"\d+")
+    return list(map(int, r.findall(line)))
+
+EXAMPLE = """
+Monkey 0:
+  Starting items: 79, 98
+  Operation: new = old * 19
+  Test: divisible by 23
+    If true: throw to monkey 2
+    If false: throw to monkey 3
+
+Monkey 1:
+  Starting items: 54, 65, 75, 74
+  Operation: new = old + 6
+  Test: divisible by 19
+    If true: throw to monkey 2
+    If false: throw to monkey 0
+
+Monkey 2:
+  Starting items: 79, 60, 97
+  Operation: new = old * old
+  Test: divisible by 13
+    If true: throw to monkey 1
+    If false: throw to monkey 3
+
+Monkey 3:
+  Starting items: 74
+  Operation: new = old + 3
+  Test: divisible by 17
+    If true: throw to monkey 0
+    If false: throw to monkey 1
+"""
+
+def clean(text: str) -> list[str]:
+    return list(filter(lambda l: l.strip() != "", text.splitlines()))
+
+def get_monkesy(lines):
+    monkeys = []
+    for i, line in enumerate(lines):
+        if line.startswith("Monkey"):
+            d = extract_single_digit(line)
+            monkeys.append([d])
+        elif line.strip().startswith("Starting"):
+            d = extract_digits_list(line)
+            monkeys[-1].append(d)
+        elif line.strip().startswith("Operation"):
+            if "old * old" in line:
+                f = lambda y: y * y
+                monkeys[-1].append(f)
+            elif "*" in line:
+                d = extract_single_digit(line)
+                f = lambda x: (lambda y: x * y)
+                f = f(d)
+                monkeys[-1].append(f)
+            elif "+" in line:
+                d = extract_single_digit(line)
+                f = lambda x: (lambda y: x + y)
+                f = f(d)
+                monkeys[-1].append(f)
+            else:
+                raise Exception(line)
+        elif line.strip().startswith("Test"):
+            d = extract_single_digit(line)
+            monkeys[-1].append(d)
+        elif line.strip().startswith("If true"):
+            d = extract_single_digit(line)
+            monkeys[-1].append(d)
+        elif line.strip().startswith("If false"):
+            d = extract_single_digit(line)
+            monkeys[-1].append(d)
+        else:
+            print(line)
+            raise Exception("Unexpected line.")
+    for m in monkeys:
+        m.append(0)
+    return monkeys
+
+def solve(lines: list[str]):
+    monkeys = get_monkesy(lines)
+    for _ in range(20):
+        for monkey in monkeys:
+            id, items, op, test, if_true, if_false, count = monkey
+            while items:
+                item = items.pop()
+                monkey[6] += 1
+                worry = item
+                worry = op(worry)
+                worry //= 3
+                if worry % test == 0:
+                    monkeys[if_true][1].append(worry)
+                else:
+                    monkeys[if_false][1].append(worry)
+                monkeys[id][1] = monkeys[id][1][1:]
+    counts = sorted([m[6] for m in monkeys])[-2:]
+    return counts[0] * counts[1]
+
+def solve2(lines: list[str]):
+    monkeys = get_monkesy(lines)
+    mod = 1
+    for m in monkeys:
+        mod *= m[3]
+
+    for _ in range(10000):
+        for monkey in monkeys:
+            id, items, op, test, if_true, if_false, count = monkey
+            for item in list(items):
+                monkey[6] += 1
+                worry = item
+                worry = op(worry)
+                worry %= mod
+                if worry % test == 0:
+                    monkeys[if_true][1].append(worry)
+                else:
+                    monkeys[if_false][1].append(worry)
+                monkeys[id][1] = monkeys[id][1][1:]
+    counts = sorted([m[6] for m in monkeys])[-2:]
+    return counts[0] * counts[1]
+
+def main():
+    example = clean(EXAMPLE)
+    print("Example  1:", solve(example))
+
+    data = clean(open("i11.txt").read())
+    print("Solution 1:", solve(data))
+
+    example = clean(EXAMPLE)
+    print("Example  2:", solve2(example))
+
+    data = clean(open("i11.txt").read())
+    print("Solution 2:", solve2(data))
+
+if __name__ == "__main__":
+    main()

d12.py

@@ -0,0 +1,120 @@
+import lib
+
+EXAMPLE = """
+Sabqponm
+abcryxxl
+accszExk
+acctuvwj
+abdefghi
+"""
+
+def neighbors_4(row, col, rows, cols):
+    n = []
+    for r, c in [(1, 0), (-1, 0), (0, 1), (0, -1)]:
+        new_row, new_col = row + r, col + c
+        if new_row >= 0 and new_row < rows and new_col >= 0 and new_col < cols:
+            n.append((new_row, new_col))
+    return n
+
+def solve(lines: list[str]):
+    start = (0, 0)
+    end = (0, 0)
+    rows = len(lines)
+    cols = len(lines[0])
+    heights = []
+    dists = []
+    for (row, line) in enumerate(lines):
+        heights.append([])
+        dists.append([])
+        for (col, c) in enumerate(line):
+            if c == 'S':
+                start = (row, col)
+                heights[row].append(0)
+                dists[row].append(0)
+            elif c == 'E':
+                end = (row, col)
+                heights[row].append(26)
+                dists[row].append(2**16)
+            else:
+                heights[row].append(ord(lines[row][col]) - ord('a'))
+                dists[row].append(2**16)
+
+    active_fields = [start]
+    while active_fields:
+        row, col = active_fields.pop()
+        current_dist = dists[row][col]
+        current_height = heights[row][col]
+        for row, col in neighbors_4(row, col, rows, cols):
+            pot_height = heights[row][col]
+            if current_height < pot_height - 1:
+                continue
+            if current_dist + 1 < dists[row][col]:
+                dists[row][col] = current_dist + 1
+                active_fields.append((row, col))
+
+    # for row in dists:
+    #     print(row)
+
+    # 34:00
+    return dists[end[0]][end[1]]
+
+def solve2(lines: list[str]):
+    starts = []
+    all_dists =[]
+    for (row, line) in enumerate(lines):
+        for (col, c) in enumerate(line):
+            if c == 'S' or c == 'a':
+                starts.append((row, col))
+
+    for start in starts:
+        end = (0, 0)
+        rows = len(lines)
+        cols = len(lines[0])
+        heights = []
+        dists = []
+        for (row, line) in enumerate(lines):
+            heights.append([])
+            dists.append([])
+            for (col, c) in enumerate(line):
+                if row == start[0] and col == start[1]:
+                    heights[row].append(0)
+                    dists[row].append(0)
+                elif c == 'E':
+                    end = (row, col)
+                    heights[row].append(26)
+                    dists[row].append(2**16)
+                else:
+                    heights[row].append(ord(lines[row][col]) - ord('a'))
+                    dists[row].append(2**16)
+
+        active_fields = [start]
+        while active_fields:
+            row, col = active_fields.pop()
+            current_dist = dists[row][col]
+            current_height = heights[row][col]
+            for row, col in neighbors_4(row, col, rows, cols):
+                pot_height = heights[row][col]
+                if current_height < pot_height - 1:
+                    continue
+                if current_dist + 1 < dists[row][col]:
+                    dists[row][col] = current_dist + 1
+                    active_fields.append((row, col))
+        all_dists.append(dists[end[0]][end[1]])
+    # 39:45
+    return min(all_dists)
+
+def main():
+    lines = lib.str_to_lines_no_empty(EXAMPLE)
+    print("Example  1:", solve(lines))
+
+    lines = lib.str_to_lines_no_empty(open("i12.txt").read())
+    print("Solution 1:", solve(lines))
+
+    lines = lib.str_to_lines_no_empty(EXAMPLE)
+    print("Example  2:", solve2(lines))
+
+    lines = lib.str_to_lines_no_empty(open("i12.txt").read())
+    print("Solution 2:", solve2(lines))
+
+if __name__ == "__main__":
+    main()

d13.py

@@ -0,0 +1,115 @@
+import lib
+
+EXAMPLE = """[1,1,3,1,1]
+[1,1,5,1,1]
+
+[[1],[2,3,4]]
+[[1],4]
+
+[9]
+[[8,7,6]]
+
+[[4,4],4,4]
+[[4,4],4,4,4]
+
+[7,7,7,7]
+[7,7,7]
+
+[]
+[3]
+
+[[[]]]
+[[]]
+
+[1,[2,[3,[4,[5,6,7]]]],8,9]
+[1,[2,[3,[4,[5,6,0]]]],8,9]
+"""
+
+def right_order(a, b):
+    if not a and not b:
+        return None
+    elif not a:
+        return True
+    elif not b:
+        return False
+
+    l, r = a[0], b[0]
+    if type(l) is int and type(r) is int:
+        if l < r:
+            return True
+        elif l > r:
+            return False
+        else:
+            return right_order(a[1:], b[1:])
+
+    if type(l) is int:
+        l = [l]
+    if type(r) is int:
+        r = [r]
+
+    o = right_order(l, r)
+    if o is not None:
+        return o
+    return right_order(a[1:], b[1:])
+
+def solve(lines: list[str]):
+    res = 0
+    pairs = [[]]
+    for (i, line) in enumerate(lines):
+        if line.strip() == "":
+            pairs.append([])
+        else:
+            pairs[-1].append(eval(line))
+    for i, p in enumerate(pairs):
+        if not len(p) == 2:
+            continue
+        a, b = p[0], p[1]
+        o = right_order(a, b)
+        if o is True:
+            res += i + 1
+        if o is None:
+            raise Exception("NO DECISION")
+    # 37:00
+    return res
+
+def solve2(lines: list[str]):
+    res = 0
+
+    packets = list(map(eval, lines))
+    p1 = [[2]]
+    packets.append(p1)
+    p2 = [[6]]
+    packets.append(p2)
+
+    resorted = True
+    while resorted:
+        resorted = False
+        for i in range(len(packets) - 1):
+            if not right_order(packets[i], packets[i + 1]):
+                packets[i], packets[i + 1] = packets[i + 1], packets[i]
+                resorted = True
+    p1i, p2i = 0, 0
+    for (i, p) in enumerate(packets):
+        if p == p1:
+            p1i = i + 1
+        elif p == p2:
+            p2i = i + 1
+    print(p1i, p2i)
+    # 44:00
+    return p1i * p2i
+
+def main():
+    lines = lib.str_to_lines(EXAMPLE)
+    print("Example  1:", solve(lines))
+
+    lines = lib.str_to_lines(open("i13.txt").read())
+    print("Solution 1:", solve(lines))
+
+    lines = lib.str_to_lines_no_empty(EXAMPLE)
+    print("Example  2:", solve2(lines))
+
+    lines = lib.str_to_lines_no_empty(open("i13.txt").read())
+    print("Solution 2:", solve2(lines))
+
+if __name__ == "__main__":
+    main()

dx.py

@@ -1,39 +1,37 @@
-import re
+import lib
-from string import ascii_lowercase, ascii_uppercase
 
 EXAMPLE = """
 """
 
-def clean(text: str) -> list[str]:
-    return list(filter(lambda l: l.strip() != "", text.splitlines()))
-
 def solve(lines: list[str]):
     res = 0
-    for i, line in enumerate(lines):
+    for (i, line) in enumerate(lines):
         print(i, line)
+        # digits = lib.str_to_int_list(line)
+        # digit = lib.str_to_single_int(line)
     return res
 
 def solve2(lines: list[str]):
     res = 0
-    for i, line in enumerate(lines):
+    for (i, line) in enumerate(lines):
         print(i, line)
     return res
 
 def main():
-    example = clean(EXAMPLE)
+    lines = lib.str_to_lines_no_empty(EXAMPLE)
-    print("Example  1:", solve(example))
+    print("Example  1:", solve(lines))
     return
 
-    data = clean(open("i6.txt").read())
+    lines = lib.str_to_lines_no_empty(open("ix.txt").read())
-    print("Solution 1:", solve(data))
+    print("Solution 1:", solve(lines))
     return
 
-    example = clean(EXAMPLE)
+    lines = lib.str_to_lines_no_empty(EXAMPLE)
-    print("Example  2:", solve2(example))
+    print("Example  2:", solve2(lines))
     return
 
-    data = clean(open("i6.txt").read())
+    lines = lib.str_to_lines_no_empty(open("ix.txt").read())
-    print("Solution 2:", solve2(data))
+    print("Solution 2:", solve2(lines))
 
 if __name__ == "__main__":
     main()

i11.txt

@@ -0,0 +1,55 @@
+Monkey 0:
+  Starting items: 66, 79
+  Operation: new = old * 11
+  Test: divisible by 7
+    If true: throw to monkey 6
+    If false: throw to monkey 7
+
+Monkey 1:
+  Starting items: 84, 94, 94, 81, 98, 75
+  Operation: new = old * 17
+  Test: divisible by 13
+    If true: throw to monkey 5
+    If false: throw to monkey 2
+
+Monkey 2:
+  Starting items: 85, 79, 59, 64, 79, 95, 67
+  Operation: new = old + 8
+  Test: divisible by 5
+    If true: throw to monkey 4
+    If false: throw to monkey 5
+
+Monkey 3:
+  Starting items: 70
+  Operation: new = old + 3
+  Test: divisible by 19
+    If true: throw to monkey 6
+    If false: throw to monkey 0
+
+Monkey 4:
+  Starting items: 57, 69, 78, 78
+  Operation: new = old + 4
+  Test: divisible by 2
+    If true: throw to monkey 0
+    If false: throw to monkey 3
+
+Monkey 5:
+  Starting items: 65, 92, 60, 74, 72
+  Operation: new = old + 7
+  Test: divisible by 11
+    If true: throw to monkey 3
+    If false: throw to monkey 4
+
+Monkey 6:
+  Starting items: 77, 91, 91
+  Operation: new = old * old
+  Test: divisible by 17
+    If true: throw to monkey 1
+    If false: throw to monkey 7
+
+Monkey 7:
+  Starting items: 76, 58, 57, 55, 67, 77, 54, 99
+  Operation: new = old + 6
+  Test: divisible by 3
+    If true: throw to monkey 2
+    If false: throw to monkey 1

i12.txt

@@ -0,0 +1,41 @@
+abcccccccaaaaaaaaccccccccccaaaaaaccccccaccaaaaaaaccccccaacccccccccaaaaaaaaaaccccccccccccccccccccccccccccccccaaaaa
+abcccccccaaaaaaaaacccccccccaaaaaacccccaaacaaaaaaaaaaaccaacccccccccccaaaaaaccccccccccccccccccccccccccccccccccaaaaa
+abcccccccaaaaaaaaaaccccccccaaaaaacaaacaaaaaaaaaaaaaaaaaaccccccccccccaaaaaaccccccccccccccaaacccccccccccccccccaaaaa
+abaaacccccccaaaaaaacccccccccaaacccaaaaaaaaaaaaaaaaaaaaaaaaacccccccccaaaaaaccccccccccccccaaacccccccccccccccccaaaaa
+abaaaaccccccaaaccccccccccccccccccccaaaaaaaaacaaaacacaaaaaacccccccccaaaaaaaacccccccccccccaaaaccaaacccccccccccaccaa
+abaaaaccccccaaccccaaccccccccccccccccaaaaaaacaaaaccccaaaaaccccccccccccccccacccccccccccccccaaaaaaaaacccccccccccccca
+abaaaaccccccccccccaaaacccccccccaacaaaaaaaacccaaacccaaacaacccccccccccccccccccccccccccciiiiaaaaaaaacccccccccccccccc
+abaaacccccccccccaaaaaacccccccccaaaaaaaaaaacccaaacccccccaacccccccccccaacccccccccccccciiiiiiijaaaaccccccccaaccccccc
+abaaaccccccccccccaaaacccccccccaaaaaaaacaaacccaaaccccccccccccccccccccaaacaaacccccccciiiiiiiijjjacccccccccaaacccccc
+abcccccaacaacccccaaaaaccccccccaaaaaacccccacaacccccccccccccccccccccccaaaaaaaccccccciiiinnnoijjjjjjjjkkkaaaaaaacccc
+abcccccaaaaacccccaacaaccccccccccaaaacccaaaaaaccccccccccccccccccccccccaaaaaaccccccciiinnnnooojjjjjjjkkkkaaaaaacccc
+abccccaaaaacccccccccccccccccccccaccccccaaaaaaaccccccccccccccccccccaaaaaaaaccccccchhinnnnnoooojjooopkkkkkaaaaccccc
+abccccaaaaaaccccccccccccccccccccccccccccaaaaaaacccccccccccccccccccaaaaaaaaacccccchhhnnntttuooooooopppkkkaaaaccccc
+abccccccaaaaccccccccccacccccccccccccccccaaaaaaacccaaccccccccccccccaaaaaaaaaaccccchhhnnttttuuoooooppppkkkaaaaccccc
+abccccccaccccccccccccaaaacaaaccccccccccaaaaaacaaccaacccaaccccccccccccaaacaaacccchhhnnnttttuuuuuuuuupppkkccaaccccc
+abccccccccccccccaaccccaaaaaaaccccccccccaaaaaacaaaaaacccaaaaaaccccccccaaacccccccchhhnnntttxxxuuuuuuupppkkccccccccc
+abcccccccccccccaaaacccaaaaaaacccaccccccccccaaccaaaaaaacaaaaaaccccccccaacccaaccchhhhnnnttxxxxuuyyyuupppkkccccccccc
+abcccccccccccccaaaaccaaaaaaaaacaaacccccccccccccaaaaaaaaaaaaaccccccccccccccaaachhhhmnnnttxxxxxxyyyuvppkkkccccccccc
+abcccccccccccccaaaacaaaaaaaaaaaaaaccccccccccccaaaaaacaaaaaaaccccccccccccccaaaghhhmmmttttxxxxxyyyyvvpplllccccccccc
+abccacccccccccccccccaaaaaaaaaaaaaaccccccccccccaaaaaacccaaaaaacccaacaacccaaaaagggmmmttttxxxxxyyyyvvppplllccccccccc
+SbaaaccccccccccccccccccaaacaaaaaaaacccccccccccccccaacccaaccaacccaaaaacccaaaagggmmmsttxxxEzzzzyyvvvppplllccccccccc
+abaaaccccccccccccccccccaaaaaaaaaaaaacaaccccccccccccccccaaccccccccaaaaaccccaagggmmmsssxxxxxyyyyyyvvvqqqlllcccccccc
+abaaacccccccccccccccccccaaaaaaaaaaaaaaaaacccccccccccccccccccccccaaaaaaccccaagggmmmsssxxxwywyyyyyyvvvqqlllcccccccc
+abaaaaacccccccccccccccccccaacaaaccaaaaaaacccccccccccccccccccccccaaaaccccccaagggmmmssswwwwwyyyyyyyvvvqqqllcccccccc
+abaaaaaccccccccccccccccccccccaaaccccaaaacccccccccccccccccaaccaacccaaccccccccgggmmmmssssswwyywwvvvvvvqqqlllccccccc
+abaaaaacccccccccccccaccacccccaaaccccaaaacccccccccccccccccaaaaaacccccccccccaaggggmllllsssswwywwwvvvvqqqqlllccccccc
+abaaccccccccccccccccaaaaccccccccccccaccaccccccccccccccccccaaaaacccccccccccaaagggglllllssswwwwwrrqqqqqqmmllccccccc
+abaaccccccccccccccccaaaaaccccccaaccaaccccccccccccccccccccaaaaaaccaacccccccaaaaggfffllllsswwwwrrrrqqqqqmmmcccccccc
+abacaaaccccccccccccaaaaaaccccccaaaaaaccccccaacccccccccccaaaaaaaacaaacaaccccaaaaffffflllsrrwwwrrrmmmmmmmmmcccccccc
+abaaaaaccccccccccccaaaaaaccccccaaaaaccccccaaaaccccccccccaaaaaaaacaaaaaaccccaaaaccfffflllrrrrrrkkmmmmmmmccccaccccc
+abaaaacccccccccccccccaaccccccccaaaaaacccccaaaacccccccccccccaaccaaaaaaaccccccccccccffflllrrrrrkkkmmmmmccccccaccccc
+abaaacccccccccccccccccccccccccaaaaaaaaccccaaaacccccccccccccaaccaaaaaaacccccccccccccfffllkrrrkkkkmddddcccccaaacccc
+abaaacccccccccccccccccccccccccaaaaaaaacccccccccccccccccccccccccccaaaaaaccccccccccccfffllkkkkkkkdddddddcaaaaaacccc
+abaaaacccccccccccccccccccccccccccaaccccccccccccccccccccccccccccccaacaaacccccccccccccfeekkkkkkkddddddcccaaaccccccc
+abcaaacccccccccccaaaccccccccaacccaaccccaaaaaccccaaaccccccccccccccaaccccccccccccccccceeeeekkkkdddddccccccaaccccccc
+abccccccccccccccaaaaaaccccccaaacaaccacaaaaaaaccaaaaccccccccccaccaaccccccccccccccccccceeeeeeeedddacccccccccccccccc
+abccccccccccccccaaaaaacccccccaaaaacaaaaaccaaaaaaaacccccccccccaaaaacccccccccccccccccccceeeeeeedaaacccccccccccccaaa
+abccccccaaacccccaaaaacccccccaaaaaacaaaaaaaaaaaaaaaccccccccccccaaaaaccccccccccccccccccccceeeeecaaacccccccccccccaaa
+abccccccaaaccccccaaaaacccccaaaaaaaaccaaaaacaaaaaaccccccccccccaaaaaacccccccccccccccccccccaaaccccaccccccccccccccaaa
+abccccaacaaaaacccaaaaacccccaaaaaaaacaaaaaaaaaaaaaaaccccaaaaccaaaacccccccccccccccccccccccaccccccccccccccccccaaaaaa
+abccccaaaaaaaaccccccccccccccccaaccccaacaaaaaaaaaaaaaaccaaaaccccaaacccccccccccccccccccccccccccccccccccccccccaaaaaa

i13.txt

@@ -0,0 +1,450 @@
+[[],[[[]],9,[],1],[1,0]]
+[[[10,8,0,[4,3],[1,4]],4,[7,5,[9,10,7,10],8]],[8,[[1,5,9,1],6,[10,5],5,[7,1]]],[[0,7,3],[[5],[8,3,0],4]],[4,2]]
+
+[[8,6,[[9,0,0],2,[6,3,2,0]],[],6],[10,[10,10,8,2],[[4,3,7],4,8],1,7]]
+[[[],0,[[8,8,10,5,7],1,5,0],[]]]
+
+[[[],6]]
+[[9,[],3,[9]],[],[[1],[10,9,4,[]],[2]],[]]
+
+[[10,3],[3,1,[3],8,5],[],[6,2,7,[10],[[0,8,9,10],5]]]
+[[4],[0,1,[10]],[],[],[0,[[3],[7,7],8,[9,0,0],3],3,8]]
+
+[[9,[],[[7,8,10],1,[7,6,9],[7,5,0],8]],[[3,[],[4,8],[]]],[10,[9,0,7,9],[[0,8,8],[],[6],[4,6],[8,7,0,9]],[10,[],8,[],5]],[[[7,10],[5,10],[4,0,8,3,9],[]],[2]]]
+[[[8,8,[]],10,[9,1],[[8,2],[],9,[9,2,7],10]],[[],6,6,[5,3,0,5],3],[[],10,2,[10,[3,1,5]]],[],[10,[],0]]
+
+[[6,2,[0,[5,7],[9],1],6],[0],[[5],4,[[10],[0,5,10],3,[]],[[6,4,9,0,3],[6,4,10]],6],[[1,[0,0,3,1]],[[9,0],3,3,9]],[[[4,5,3,2],[],[3,1,7,2,3],10]]]
+[[[7],9,3,0,9],[8]]
+
+[[],[10,6,3,[[2,2],4,2,[7,5,10,5]],[9,3]],[[],[7,7,6,[10,6,2,0],[7,10,5,2,7]]]]
+[[],[3,[10,[3,3,8,2,4],6,[10,3,10,10],3]]]
+
+[[],[],[9,10,6],[7,[[4,7,10,6,1],[7,3],7,1,[]],4]]
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+[[],[]]
+
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+
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+[[[8,5,9],[4]],[1,[[7,8]],7]]
+
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+
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+
+[[[[],5]],[],[],[0,2,[]],[[[6,9],4,2]]]
+[[3],[5,4,[[8,4,8],[2,10,3,5,10],5,[3,7,5,10]],0],[]]
+
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+[[[[6,5],8,[5,9,6,2],[9,3,0,9,7]],[]],[[[6,2,10,4],6,[4,0,5],10],[[9,2,2],[9,7]],[8,9],5],[0],[6,3,0,0]]
+
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+[[],[8,6,2],[[],3],[],[3,9,5,0,[1]]]
+
+[[5],[5,[6,[3,0,8,2,6],4,2]],[10,[8,[9,10],[8],6]]]
+[[[[5,3],5,[],7],9,[[],8,2],7,[[9,2,4]]],[8,[5],[8,4,[10,7,5,1]]],[2,1],[0,0,[4],[[0],0],[7,[9,7]]],[5,[8,[10,1,5,0,1],0,2],[8,[1,8,5,10],3],[[7],[8,4,4]],10]]
+
+[[1,4,7,[[10,2,8,3],7]]]
+[[],[],[3,5,1,[8,7,9,5]],[[2],2]]
+
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+[[4,0,4,1,2]]
+
+[7,1,9,0]
+[7,1,9,0,9]
+
+[[2,9],[9,3,6],[],[2,5,[1,7,[3,2,5,2],10],[[2,10],[4,7,3],0]],[7,[3],[4,0,[10,0],9],5]]
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+
+[[[],2,8],[[9,[8,10,6,9,8],0,[10,7,9,5],[]],2,3,4,6]]
+[[[[4,0,3,3]]],[10],[6,5,[10,[0,0,10,7],[9],0],6]]
+
+[[],[[8,[10,1]],2,7,[[7],7,3],[4,3,9]],[[4,[0]],[6,[4,7],3,[10,2],[6,5]],10,[[5,1,10,1,1],[0,2,9,3,9],7,10,3]],[3,[[],[7,8,3],[7]],[]]]
+[[],[[1]],[]]
+
+[[[2],7,[1,8,0,[10,7,8,1]]],[[],[[0,2,8,0],[1,1,9]],6],[[9,0,[0,4,5,9,1],5],7,[0],[7,4,9],7],[]]
+[[[2,[8,3,7,2],6,[1,2,10,3]],[2,8,8],[[5],[10,8,2,4,10],[0,1,4],3,0],0,8],[],[6,[],[[1,0,2,3,3],10],7,1]]
+
+[[8,[6,[10,8,8],10,5],2]]
+[[5,5,2],[[5,9,4,3]],[[[1,0,4],[2,7,9,0,4]],[],5,[[10,5,5,7,7],[10,7,8,1],[8,8,4],[0,3,0],[1,8,10,8]]]]
+
+[[[[6],[0,10,8,10],[4],[4]],10,10,7,8],[[],[],1,[],[[3,2,5],[9,10,6]]],[],[],[]]
+[[[[3],1,3],[[6,7],10,[3],[4]],7]]
+
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+[[[[3],7,4,0],6,7,[9,2]],[],[[0,1]],[[4,1,3,10,5]]]
+
+[[[6,3,8],[0,[8,10],1],10,3]]
+[[]]
+
+[[[[8,9,9,0],4,[3,7,0,1],5,10],4,[2,[4,4,3,4,4],9,3,5],4,[[],7,[9,8,2,0],10,4]],[],[6,6,0,[]]]
+[[[6,8,9],1,[6,1,5],[6,5,10]],[2,4,[[10,1],8,[7,6,2],[],0]],[[0,9,[],[1,3]]],[[]],[0]]
+
+[[[],7,[],[[],10,3,2],[[0,1,9,1,8]]],[6,[[2,1,1],1,3]]]
+[[[3,9,2,8],[],0,[[10],[10,6,9,3],7,2,[10,2,10,10,0]],8]]
+
+[[5]]
+[[10,[]]]
+
+[[[[4,4,7,2],0,2],4,[[4,6,7],5,8,5,[7,7,8,2,0]]]]
+[[],[1,[[1,3,4,2],[6,10]]],[3,[]]]
+
+[[4,3,1],[8,[],[[8,2,9,9,4],[6,5,9,6]],2],[],[[[3,7],2,[10],9,5],4]]
+[[1]]
+
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+
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+[[3,4,[[1,8,6,1,8],9,3]],[[4,0,7,[6,1,2,6]]]]
+
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+[[[[3],[6,3,1,8],[8,10,4,10,4]]],[9,[8,[10,3]],10,[[],10]],[[[3,8]],4,2,5,10]]
+
+[[[4,8],2,[3],[0],[[3,4],[9,4,5,9,0],[10,6,3,3],[8,10,6,4]]]]
+[[[[],2,3]],[[0,[8,7,10,9]],[10,[8],[10,5,1,1],[],[]],[[1,10,3,10],7,[],[1,8,4],3],[[3,1,8,2]]]]
+
+[[[1,2,1,6,[8,8]],[7],[[],9,[2,0],[7,7]],[1,[8]],[]],[[1,[9],2,[0,4],[4,6,10,4,6]],[],5],[[10,7,[7,5,6,4,9],[4,6],[]]],[8,3]]
+[[4,[],5,[[],[5,1],[1,8,6],[],4]],[6,[4]],[]]
+
+[[[]],[],[10,1,0,4]]
+[[[9,2,[5,9,7,3,1]],1],[0]]
+
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+[[[0],[6,[7,9,5,0],0],[]],[[[9,0,1,3,8]],8]]
+
+[[[[1,2,9],[6,7],9,3,[]]],[[5,0],[[1,4,5,1,0],1,[0,2,8,8],[7,10,2,2]],0,10],[[7,9,[0,9,5,2],[7,3,0,6,4],10],7,[],0,1],[0]]
+[[],[[3,8,[],5,8]]]
+
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+[[2,[[7,0],[1,3]],10],[]]
+
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+[[[[2]],[[3],7],[[2,7],7,[1,6,8,0],7,1],10,3]]
+
+[[2,9,[3,[7,1,5,10],[9]],[8],5],[[[8,10,8],[],[0,9,7,0],3,[9,6,5]]],[8,[],10,6],[[]],[[5,[10,5,6,10,2]],5,0,5,[[4,10,1,8,3],2,6,[8,5,8],[9,10,2]]]]
+[[],[4,1,[]],[[6,8,[3,5,4],[1,1,4],[7]],[[6,3],1,5]],[2,3,[5,[8,2,0],[],[0,0],[1,6]],[4,[0,2,7],1,[1]],3]]
+
+[[],[8,2,[2]],[],[[7,10]]]
+[[[[6,10,10,5],4,10,9,[8,7,2,9,1]]],[]]
+
+[[7,[[1,7,4,9],1,[7,4,10,3]],[[],[2],[2,4,7],2,6],[]]]
+[[[7,4,[9],[2,10,8]],[7,[3,2,6,8,9],8,[2]]],[[2,[10],7,[7,0,2,9]],[[],[4,2,4,4,10],[0,2,3],[]],0,[[9,6,0,8,9],5],[9,[],[2,2,3,10],[8,0,3,6]]],[2]]
+
+[[],[[],10],[3,1,[[]],[[9],[],2,[3]],[0,[4,10,9,0,6],[7,7,10,2,2]]]]
+[[7,6,4,8,[]],[[],[[10,0,10,1,9],7,7],[[0,1,5,6]]],[2],[6,[5,5],1,9,[]]]
+
+[[[]],[[10,10],5,[],10],[7],[1,[[],4,[],2],9],[3,0]]
+[[[7],2],[5,[5,[10,7,6,1,10],[10,0,3]],[[5,4],4,[10,8,8,4,9],3],[[4,5,5],[6,6,6]]],[4,[],5]]
+

lib.py

@@ -0,0 +1,18 @@
+import re
+
+def str_to_single_int(line: str) -> int:
+    line = line.replace(" ", "")
+    r = re.compile(r"\d+")
+    for m in r.findall(line):
+        return int(m)
+    raise Exception("No single digit sequence in '{line}'")
+
+def str_to_int_list(line: str) -> list[int]:
+    r = re.compile(r"\d+")
+    return list(map(int, r.findall(line)))
+
+def str_to_lines_no_empty(text: str) -> list[str]:
+    return list(filter(lambda l: l.strip() != "", text.splitlines()))
+
+def str_to_lines(text: str) -> list[str]:
+    return list(text.splitlines())