<?php return [ [ 1, 'A', ], [ 26, 'Z', ], [ 27, 'AA', ], [ 28, 'AB', ], [ 52, 'AZ', ], [ 53, 'BA', ], [ 78, 'BZ', ], [ 79, 'CA', ], [ 256, 'IV', ], [ 702, 'ZZ', ], [ 703, 'AAA', ], [ 1379, 'BAA', ], ];