9
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C# (.NET Core), Score: 129.98 11.73 10.82 9.62 10.33 10.32 10.20
-1.2 point from MD XF's suggestion to use @6666... instead of @6@6@6@6... for repeating character, and superior initialization sequence
static void Main()
{
List<byte> input = new List<byte>();
int inChar = Console....