Maximum Two-Digit Number Group Selection

Given several two-digit numbers, e.g., 11, 21, 31, 41, 16, 17, 18, 34, 57. Determine the maximum number of numbers you can take at once such that they have at least one digit in common. Input A list of two-digit integers. Output An integer representing the maximum number of numbers that can be taken. Example Input: [11, 21, 31, 41, 16, 17, 18, 34, 57] Output: 7 Explanation The list [11, 21, 31, 41, 16, 17, 18] all contain the digit 1. Constraints List length does not exceed 1000, and all numbers are two digits. Example Input 10 11 22 33 44 55 66 77 88 99 10