Let me help analyze this problem systematically.

# Problem Description
This is a string transformation problem where we need to find the minimum number of steps to convert one string into another using specific operations. The transformation follows a set of rules for string manipulation, and we need to determine if it's possible to convert str1 to str2, and if so, in how many steps.

# Visual Facts
1. The image shows 3 examples of string transformations:
   - Example 1: "Abacbv" → "bacbvA" → "acbvAb" → "cbvAba"
   - Example 2: "openai" → "penaió" → "enaiop" → "naiope"
   - Example 3: "ababa" → "babaa" → "abaab" → "baaba"

2. Each example shows a step-by-step transformation process
3. Each transformation takes exactly 3 steps
4. The strings maintain the same length throughout the transformation
5. Each example shows the intermediate states between initial and final strings

# Visual Patterns
1. Character Movement Pattern:
   - In each step, the first character of the string is moved to the end
   - Example: "Abacbv" → "bacbvA" (A moves from front to back)

2. Character Transformation Pattern:
   - When a character moves to the end, it maintains its case/value
   - Characters stay in their relative positions except for the moving first character

3. Sequence Pattern:
   - Each transformation follows the same rules consistently
   - The process is deterministic - same input always produces same sequence

4. Constraints:
   - The length of the string remains constant during transformation
   - Only the described operations are allowed (moving first character to end)
   - Each step must follow the exact same pattern

5. Success Criteria:
   - A valid transformation must be achievable through these specific steps
   - If the target string cannot be reached through these operations, return -1
   - The minimum number of steps needed is what we must return if possible


# Solution
def solution(str1: str, str2: str) -> int:
    """
    Returns the minimum number of steps needed to convert the first string to the second string.
    Returns -1 if the conversion is not possible.

    Parameters:
        str1 (str): The source string to convert from
        str2 (str): The target string to convert to

    Returns:
        int: Minimum number of steps required for the conversion, or -1 if not possible
    """
    if len(str1) != len(str2):
        return -1
    if str1 == str2:
        return 0
    steps = len(str1)
    new_str = str1
    for i in range(len(str1)):
        new_str = new_str[1:] + new_str[0]
        if new_str == str2:
            steps = i + 1
            return steps
    return -1


# Test Script
def test():
    test_cases = [
        ("openai", "enaiop", 2),
        ("openai", "aiopen", 4),
        ("ababa", "babaa", 1),
        ("ababa", "abaab", 2),
        ("ababa", "aabab", 4),
        ("Trump","Susan", -1),
        ("Trump","trump", -1),
        ("Trump","pTrum", 4),
        ("abacbv","acbvab", 2),
        ("abacbv", "vabacb", 5)
    ]

    for str1, str2, expected_output in test_cases:
        try:
            output = solution(str1, str2)
        except Exception as e:
            error_message = (
                f"An exception occurred while running the test case:\n"
                f"`str1`: {str1}\n"
                f"`str2`: {str2}\n\n"
                f"Exception: '{str(e)}'"
            )
            assert False, error_message

        if output != expected_output:
            error_message = (
                f"The following Test Case failed:\n"
                f"`str1`: {str1}\n" 
                f"`str2`: {str2}\n\n"
                f"Actual Output: {output}\n"
                f"Expected Output: {expected_output}"
            )
            assert False, error_message

test()