```python
def clause_order(a: str, b: str) -> int:
    if not isinstance(a, str) or not isinstance(b, str):
        raise ValueError("Both arguments must be strings.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b:
        raise ValueError("Both arguments must not be empty.")
    if not a.isdigit() or not b.isdigit():
        raise ValueError("Both arguments must be decimal integers.")
    if not a or not b