"""Row equality for sew: same content (strip, compare)."""


def row_equal(a, b, num_cols=6):
    if len(a) < num_cols or len(b) < num_cols:
        return False
    for i in range(num_cols):
        if (a[i] if i < len(a) else "").strip() != (b[i] if i < len(b) else "").strip():
            return False
    return True