course_id,p_id 0,40 1,40 2,180 3,279 4,107 7,415 8,297 9,235 11,52 11,57 11,298 11,324 11,331 12,79 12,211 12,407 13,72 13,342 14,124 15,292 16,79 16,240 18,107 18,213 18,290 18,326 18,373 18,375 19,5 19,370 20,180 21,22 21,99 23,179 24,79 24,150 24,211 24,240 24,407 27,165 27,331 28,394 29,298 30,290 32,319 34,179 36,181 38,104 38,124 38,204 38,255 39,415 40,165 40,298 40,378 41,351 44,171 44,293 44,415 46,335 48,107 48,213 48,375 49,64 49,189 49,248 49,263 50,171 51,5 51,18 51,166 52,168 53,189 53,248 57,150 61,107 62,101 63,335 64,79 66,165 66,298 67,394 68,201 68,324 68,331 71,5 74,104 74,124 75,267 76,319 77,52 77,165 77,324 79,72 80,98 80,101 80,180 82,407 84,324 88,235 89,394 91,331 93,351 97,324 98,103 101,279 101,394 103,201 104,165 104,181 104,364 108,279 110,351 115,72 115,342 116,375 117,181 118,351 119,324 120,82 120,235 121,52 122,378 123,150 124,9 124,46 124,335 125,351 126,165 128,150 129,213 129,373 132,319 134,240 136,394 137,165 138,335 139,235 141,150 143,211 143,407 144,278 144,331 146,335 147,52 147,57 147,165 147,201 147,324 147,331 147,364 148,351 149,331 150,351 151,82 151,179 151,234 151,235 151,267 151,290 153,342 153,394 156,240 157,72 157,342 157,394 158,240 159,394 160,331 161,201 161,298 161,331 162,213 164,351 165,75 165,141 165,181 165,231 165,364 166,235 167,98 168,240 170,79 170,211 170,407 172,46 172,335 173,171 174,267