SN4 ""

No	Pattern	Freq
1	between two	1564
2	between one	361
3	between three	204
4	between 10	156
5	between four	154
6	between 1	136
7	between five	130
8	between six	123
9	between 20	123
10	between 1979	117
11	between 30	114
12	between 1980	101
13	between 1981	88
14	between 2	85
15	between 15	76
16	between 5	75
17	between eight	75
18	between 1983	74
19	between 25	74
20	between 12	71
21	between 1985	70
22	between 50	69
23	between 16	66
24	between 18	65
25	between 1971	65
26	between 3	65
27	between 1984	63
28	between 6	63
29	between ten	63
30	between 1982	59