<?php return [ ['A1', 'R1C1'], ['B2', 'R2C2'], ['L5', 'R5C12'], ['Z1024', 'R1024C26'], ['AA2048', 'R2048C27'], ['AZ4096', 'R4096C52'], ['BA8192', 'R8192C53'], ['IV65535', 'R65535C256'], ['K1', 'RC11'], ['A16', 'R16C'], ];