00 01 02 03 04 05 06 07 08 09 10 eleven twelve thirteen fourteen fifteen sixteen seventeen 18 19 20 21 22 23 24 twenty five 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 forty one 42 43 44 forty five 46 47 48 49 50 51 52 53 fifty four 55 fifty six fifty seven fifty eight fifty nine sixty sixty one 62 63 64 sixty five 66 67