// first column: train/test set indicator
// second column: source file
// third and fourth column: adjacent files in a thread (correct answers)
test	2387	2388	
test	3242	3243	
test	3569	3571	3568
test	2301	2302	
test	2424	2427	
test	2306	2314	
test	3420	3421	3417
test	3483	3484	
test	242	244	
test	2296	2297	
test	1945	1948	
test	3481	3507	
test	2048	2049	
test	133	139	
test	281	282	
test	2356	2359	
test	3362	3370	3354
test	2425	2426	
test	2920	2959	
test	1342	1344	
test	2124	2127	
test	2545	2548	2530
test	1748	1763	
test	1502	1506	
test	207	216	
test	1815	1818	
test	1891	1901	1822
test	3485	3486	
test	2507	2512	
test	2085	2108	
test	1687	1693	
test	179	217	
test	1905	1906	
test	219	222	215
test	2148	2158	
test	3490	3491	
test	1663	1683	
test	113	114	
test	2526	2530	
test	2312	2315	
test	2615	2623	
test	2685	2688	
test	1939	1946	
test	2058	2070	
test	1095	1130	
test	3413	3417	
test	3567	3568	
test	2513	2536	
test	1305	1309	
test	3446	3452	
test	3590	3593	
test	1097	1099	
test	1199	1207	
test	1010	1017	
test	2160	2166	
test	3347	3357	
test	2798	2799	
test	3226	3228	
test	1727	1741	
test	3290	3302	
test	270	322	222
test	2063	2067	
test	2346	2352	
test	1719	1722	
test	2283	2333
test	3407	3412
test	2289	2293
test	2408	2412
test	110	111
test	2142	2144
test	3579	3582
test	1995	2001
test	3301	3306
test	317	318
test	2345	2347
test	2604	2607
test	2404	2415
test	1993	1999
test	23	33
test	182	186
test	294	296
test	2421	2422
test	2660	2664
test	3399	3425
test	1134	1136
test	1160	1185
test	2475	2482
test	164	166
test	1101	1103
test	1522	1525
test	1146	1148
test	2762	2765
test	206	213
test	3135	3136
test	2206	2287	
test	1402	1404	
test	2566	2568	
test	3254	3255	3249
train	288	289	
train	2423	2433	
train	3418	3448	
train	268	269	
train	3244	3249	
train	1406	1419	1404
train	3583	3586	
train	1453	1454	
train	3465	3466	
train	1435	1445	
train	2185	2186	
train	2285	2295	
train	2056	2059	
train	1457	1473	
train	1303	1307	
train	2841	2842	2838
train	2181	2182	
train	2027	2035	
train	1898	1899	
train	3545	3547	
train	2118	2119	
train	2282	2343	
train	3277	3279	3276
train	2398	2439	
train	1483	1489	
train	1747	1755	
train	2163	2298	
train	2883	2886
train	109	112
