Expression 23: "b" equals left bracket, 1...1 0 , right bracketb=1...10
equals=
11
22
33
44
55
66
77
88
99
1010
23
Expression 24: 0 less than or equal to "y" less than or equal to "a" left brace, "b" minus 1 less than or equal to "x" less than or equal to "b" , right brace0≤y≤ab−1≤x≤b
24
Expression 25: "b" minus 1 less than or equal to "x" less than or equal to "b" left brace, 0 less than or equal to "y" less than or equal to "a" , right braceb−1≤x≤b0≤y≤a