10 ILCS 5/29C-5: Three Groups of Legislative Districts.

The 59 legislative districts of this State are divided into 3 groups for the purpose of establishing the terms of Senators elected from each group. The districts in each group are distributed substantially equally over the State. The 3 groups shall consist of 20, 20 and 19 legislative districts, respectively, with each group having as its first district number, one of the numbers 1, 2 or 3, and shall be comprised of other district numbers, as follows:

1 2 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 48

49 50 51

52 53 54

55 56 57

58 59