4 girls play a speed memory game, losers must strip

3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 67, 68, 69, 70, 71, 72, 73, 74, 75, 78, 71, 72, 73, 74, 78, 71, 72, 78, 71, 72, 72, 73, 72, 73, 72, 72,... 72,72

Number three.

Number four.

Number five.

What is number three?