Answer: 20 times. Page 1-99 can be divided into ten groups: 1-9, l0- 19, 20-29, …, 90-99. In addition to 10- 19, there are 65438 in this group.
Appear once. So * * * appeared 20 times on page 1-99. 20+ 1=2 1
It means two to two to two, and "two to two" Z means 1: 58. The time is "1: 58-2: 00".