Printable Basic Bank Account Number in base-10.

    :param number: string

    >>> bban_base10('01234567')
    '45670123'
    >>> bban_base10('ABCD')
    '10111213'

def bban_base10(number):
    '''
    Printable Basic Bank Account Number in base-10.

    :param number: string

    >>> bban_base10('01234567')
    '45670123'
    >>> bban_base10('ABCD')
    '10111213'
    '''
    number = bban_compact(number)
    number = number[4:] + number[:4]
    return ''.join([str(IBAN_ALPHABET.index(char)) for char in number])