CDC straw number index

 int Nstraws[28] = {42, 42, 54, 54, 66, 66, 80, 80, 93, 93, 106, 106, 123, 123, 135, 135, 146, 146, 158, 158, 170, 170, 182, 182, 197, 197, 209, 209};

 int straw_offset[29] = {0,0,42,84,138,192,258,324,404,484,577,670,776,882,1005,1128,1263,1398,1544,1690,1848,2006,2176,2346,2528,2710,2907,3104,3313};

Ring	Number of straws	Total straws so far
1	42	42
2	42	84
3	54	138
4	54	192
5	66	258
6	66	324
7	80	404
8	80	484
9	93	577
10	93	670
11	106	776
12	106	882
13	123	1005
14	123	1128
15	135	1263
16	135	1398
17	146	1544
18	146	1690
19	158	1848
20	158	2006
21	170	2176
22	170	2346
23	182	2528
24	182	2710
25	197	2907
26	197	3104
27	209	3313
28	209	3522