# Car First Opened Second Win Win here choice door choice first second 1 1 1 2 3 yes 2 3 3 2 1 yes 3 2 2 3 1 yes 4 2 2 3 1 yes 5 3 2 1 3 yes 6 1 2 3 1 yes 7 2 3 1 2 yes 8 1 3 2 1 yes 9 2 1 3 2 yes 10 3 1 2 3 yes 11 3 3 1 2 yes 12 1 3 2 1 yes 13 3 1 2 3 yes 14 1 1 3 2 yes 15 2 3 1 2 yes 16 1 2 3 1 yes 17 3 3 1 2 yes 18 2 2 3 1 yes 19 2 2 3 1 yes 20 3 2 1 3 yes 21 2 2 3 1 yes 22 2 3 1 2 yes 23 2 3 1 2 yes 24 2 3 1 2 yes 25 1 1 3 2 yes 26 2 2 3 1 yes 27 2 2 1 3 yes 28 2 2 1 3 yes 29 1 3 2 1 yes 30 3 3 1 2 yes 31 3 2 1 3 yes 32 1 3 2 1 yes 33 2 2 1 3 yes 34 2 3 1 2 yes 35 1 1 3 2 yes 36 1 3 2 1 yes 37 2 1 3 2 yes 38 3 2 1 3 yes 39 3 1 2 3 yes 40 1 1 2 3 yes 41 1 2 3 1 yes 42 2 1 3 2 yes 43 3 2 1 3 yes 44 1 3 2 1 yes 45 3 1 2 3 yes 46 1 3 2 1 yes 47 2 3 1 2 yes 48 2 1 3 2 yes 49 2 1 3 2 yes 50 3 1 2 3 yes 51 1 1 3 2 yes 52 1 2 3 1 yes 53 3 3 1 2 yes 54 2 1 3 2 yes 55 1 3 2 1 yes 56 2 2 3 1 yes 57 3 2 1 3 yes 58 3 3 2 1 yes 59 1 3 2 1 yes 60 3 1 2 3 yes 61 1 3 2 1 yes 62 3 2 1 3 yes 63 2 3 1 2 yes 64 2 3 1 2 yes 65 1 3 2 1 yes 66 3 1 2 3 yes 67 3 1 2 3 yes 68 3 3 1 2 yes 69 3 2 1 3 yes 70 2 1 3 2 yes 71 3 2 1 3 yes 72 3 2 1 3 yes 73 2 2 3 1 yes 74 3 2 1 3 yes 75 2 2 1 3 yes 76 3 2 1 3 yes 77 3 3 2 1 yes 78 3 1 2 3 yes 79 3 2 1 3 yes 80 1 2 3 1 yes 81 2 1 3 2 yes 82 1 3 2 1 yes 83 2 1 3 2 yes 84 1 3 2 1 yes 85 3 2 1 3 yes 86 2 2 1 3 yes 87 2 1 3 2 yes 88 1 3 2 1 yes 89 2 1 3 2 yes 90 3 3 2 1 yes 91 2 2 3 1 yes 92 1 2 3 1 yes 93 2 1 3 2 yes 94 2 3 1 2 yes 95 1 1 3 2 yes 96 3 3 2 1 yes 97 3 2 1 3 yes 98 2 3 1 2 yes 99 2 2 1 3 yes 100 3 3 1 2 yes 33 wins if stay with the first choice 67 wins if switch to the second choice Win ratio of switch over stay: 2.0