Solve day 11

input/11

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+Monkey 0:
+  Starting items: 75, 63
+  Operation: new = old * 3
+  Test: divisible by 11
+    If true: throw to monkey 7
+    If false: throw to monkey 2
+
+Monkey 1:
+  Starting items: 65, 79, 98, 77, 56, 54, 83, 94
+  Operation: new = old + 3
+  Test: divisible by 2
+    If true: throw to monkey 2
+    If false: throw to monkey 0
+
+Monkey 2:
+  Starting items: 66
+  Operation: new = old + 5
+  Test: divisible by 5
+    If true: throw to monkey 7
+    If false: throw to monkey 5
+
+Monkey 3:
+  Starting items: 51, 89, 90
+  Operation: new = old * 19
+  Test: divisible by 7
+    If true: throw to monkey 6
+    If false: throw to monkey 4
+
+Monkey 4:
+  Starting items: 75, 94, 66, 90, 77, 82, 61
+  Operation: new = old + 1
+  Test: divisible by 17
+    If true: throw to monkey 6
+    If false: throw to monkey 1
+
+Monkey 5:
+  Starting items: 53, 76, 59, 92, 95
+  Operation: new = old + 2
+  Test: divisible by 19
+    If true: throw to monkey 4
+    If false: throw to monkey 3
+
+Monkey 6:
+  Starting items: 81, 61, 75, 89, 70, 92
+  Operation: new = old * old
+  Test: divisible by 3
+    If true: throw to monkey 0
+    If false: throw to monkey 1
+
+Monkey 7:
+  Starting items: 81, 86, 62, 87
+  Operation: new = old + 8
+  Test: divisible by 13
+    If true: throw to monkey 3
+    If false: throw to monkey 5

input/11-test

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+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