TEXTBOOK	MATH	PHYSICS	IQ_INDEX
1	Easy	102.100	97.413	98.091
2	Hard	94.948	102.128	93.369
3	Easy	98.451	102.411	98.930
4	Easy	95.604	94.694	98.351
5	Hard	91.621	92.597	95.999
6	Hard	93.515	95.564	95.030
7	Easy	94.312	102.167	96.641
8	Easy	96.867	99.571	98.086
9	Easy	94.792	98.918	99.257
10	Easy	96.223	98.948	98.387
11	Hard	93.415	93.683	95.709
12	Easy	100.090	99.246	98.802
13	Hard	94.591	96.868	95.448
14	Hard	90.983	99.429	95.917
15	Easy	96.929	95.905	98.654
16	Easy	98.405	99.968	98.149
17	Easy	94.345	101.632	99.053
18	Hard	93.754	93.442	96.478
19	Hard	96.279	100.266	95.068
20	Easy	96.163	99.741	100.135
21	Hard	96.147	101.464	93.780
22	Easy	97.068	97.463	97.162
23	Easy	95.821	96.475	98.900
24	Easy	93.252	92.959	99.719
25	Easy	92.813	101.073	97.791
26	Easy	96.841	94.354	99.631
27	Hard	95.185	101.012	97.312
28	Hard	97.090	96.813	96.704
29	Hard	90.045	98.682	93.737
30	Hard	91.598	95.019	94.598