yimingzhang/prime-factorization · Datasets at Hugging Face

input stringlengths 3 7	output stringlengths 3 41	step_by_step_solution listlengths 1 21
319214	2 7 151 151	[ "319214 2 159607", "159607 7 22801", "22801 151 151", "151 151 1" ]
2285922	2 3 17 73 307	[ "2285922 2 1142961", "1142961 3 380987", "380987 17 22411", "22411 73 307", "307 307 1" ]
2615823	3 3 7 41521	[ "2615823 3 871941", "871941 3 290647", "290647 7 41521", "41521 41521 1" ]
4372785	3 3 3 3 3 5 59 61	[ "4372785 3 1457595", "1457595 3 485865", "485865 3 161955", "161955 3 53985", "53985 3 17995", "17995 5 3599", "3599 59 61", "61 61 1" ]
468614	2 43 5449	[ "468614 2 234307", "234307 43 5449", "5449 5449 1" ]
3410453	113 30181	[ "3410453 113 30181", "30181 30181 1" ]
1633590	2 3 3 5 7 2593	[ "1633590 2 816795", "816795 3 272265", "272265 3 90755", "90755 5 18151", "18151 7 2593", "2593 2593 1" ]
2914504	2 2 2 364313	[ "2914504 2 1457252", "1457252 2 728626", "728626 2 364313", "364313 364313 1" ]
1665363	3 7 7 11329	[ "1665363 3 555121", "555121 7 79303", "79303 7 11329", "11329 11329 1" ]
3522549	3 113 10391	[ "3522549 3 1174183", "1174183 113 10391", "10391 10391 1" ]
1058627	1058627	[ "1058627 1058627 1" ]
2526908	2 2 47 13441	[ "2526908 2 1263454", "1263454 2 631727", "631727 47 13441", "13441 13441 1" ]
2626148	2 2 7 71 1321	[ "2626148 2 1313074", "1313074 2 656537", "656537 7 93791", "93791 71 1321", "1321 1321 1" ]
3691859	3691859	[ "3691859 3691859 1" ]
4737120	2 2 2 2 2 3 5 71 139	[ "4737120 2 2368560", "2368560 2 1184280", "1184280 2 592140", "592140 2 296070", "296070 2 148035", "148035 3 49345", "49345 5 9869", "9869 71 139", "139 139 1" ]
1249292	2 2 11 28393	[ "1249292 2 624646", "624646 2 312323", "312323 11 28393", "28393 28393 1" ]
659284	2 2 164821	[ "659284 2 329642", "329642 2 164821", "164821 164821 1" ]
562093	7 59 1361	[ "562093 7 80299", "80299 59 1361", "1361 1361 1" ]
4846965	3 5 323131	[ "4846965 3 1615655", "1615655 5 323131", "323131 323131 1" ]
4769253	3 3 3 29 6091	[ "4769253 3 1589751", "1589751 3 529917", "529917 3 176639", "176639 29 6091", "6091 6091 1" ]
1745473	19 91867	[ "1745473 19 91867", "91867 91867 1" ]
828618	2 3 7 109 181	[ "828618 2 414309", "414309 3 138103", "138103 7 19729", "19729 109 181", "181 181 1" ]
1878467	1277 1471	[ "1878467 1277 1471", "1471 1471 1" ]
922347	3 3 3 3 59 193	[ "922347 3 307449", "307449 3 102483", "102483 3 34161", "34161 3 11387", "11387 59 193", "193 193 1" ]
4037096	2 2 2 7 72091	[ "4037096 2 2018548", "2018548 2 1009274", "1009274 2 504637", "504637 7 72091", "72091 72091 1" ]
3138331	7 47 9539	[ "3138331 7 448333", "448333 47 9539", "9539 9539 1" ]
1072886	2 536443	[ "1072886 2 536443", "536443 536443 1" ]
4069067	761 5347	[ "4069067 761 5347", "5347 5347 1" ]
1554002	2 777001	[ "1554002 2 777001", "777001 777001 1" ]
4574289	3 1524763	[ "4574289 3 1524763", "1524763 1524763 1" ]
1860990	2 3 5 17 41 89	[ "1860990 2 930495", "930495 3 310165", "310165 5 62033", "62033 17 3649", "3649 41 89", "89 89 1" ]
4611551	7 29 22717	[ "4611551 7 658793", "658793 29 22717", "22717 22717 1" ]
4351679	61 71339	[ "4351679 61 71339", "71339 71339 1" ]
184727	184727	[ "184727 184727 1" ]
2611987	7 19 41 479	[ "2611987 7 373141", "373141 19 19639", "19639 41 479", "479 479 1" ]
3484204	2 2 43 47 431	[ "3484204 2 1742102", "1742102 2 871051", "871051 43 20257", "20257 47 431", "431 431 1" ]
983187	3 3 29 3767	[ "983187 3 327729", "327729 3 109243", "109243 29 3767", "3767 3767 1" ]
1214492	2 2 23 43 307	[ "1214492 2 607246", "607246 2 303623", "303623 23 13201", "13201 43 307", "307 307 1" ]
2596086	2 3 3 233 619	[ "2596086 2 1298043", "1298043 3 432681", "432681 3 144227", "144227 233 619", "619 619 1" ]
809364	2 2 3 67447	[ "809364 2 404682", "404682 2 202341", "202341 3 67447", "67447 67447 1" ]
2037758	2 1018879	[ "2037758 2 1018879", "1018879 1018879 1" ]
2068447	283 7309	[ "2068447 283 7309", "7309 7309 1" ]
19576	2 2 2 2447	[ "19576 2 9788", "9788 2 4894", "4894 2 2447", "2447 2447 1" ]
1019458	2 11 149 311	[ "1019458 2 509729", "509729 11 46339", "46339 149 311", "311 311 1" ]
3827567	17 61 3691	[ "3827567 17 225151", "225151 61 3691", "3691 3691 1" ]
268891	7 107 359	[ "268891 7 38413", "38413 107 359", "359 359 1" ]
180823	19 31 307	[ "180823 19 9517", "9517 31 307", "307 307 1" ]
507693	3 229 739	[ "507693 3 169231", "169231 229 739", "739 739 1" ]
4444908	2 2 3 13 28493	[ "4444908 2 2222454", "2222454 2 1111227", "1111227 3 370409", "370409 13 28493", "28493 28493 1" ]
1341908	2 2 335477	[ "1341908 2 670954", "670954 2 335477", "335477 335477 1" ]
1520538	2 3 253423	[ "1520538 2 760269", "760269 3 253423", "253423 253423 1" ]
1679350	2 5 5 33587	[ "1679350 2 839675", "839675 5 167935", "167935 5 33587", "33587 33587 1" ]
955021	71 13451	[ "955021 71 13451", "13451 13451 1" ]
1133480	2 2 2 5 43 659	[ "1133480 2 566740", "566740 2 283370", "283370 2 141685", "141685 5 28337", "28337 43 659", "659 659 1" ]
747301	29 73 353	[ "747301 29 25769", "25769 73 353", "353 353 1" ]
1253559	3 383 1091	[ "1253559 3 417853", "417853 383 1091", "1091 1091 1" ]
4631650	2 5 5 17 5449	[ "4631650 2 2315825", "2315825 5 463165", "463165 5 92633", "92633 17 5449", "5449 5449 1" ]
2523986	2 29 43517	[ "2523986 2 1261993", "1261993 29 43517", "43517 43517 1" ]
1245360	2 2 2 2 3 5 5189	[ "1245360 2 622680", "622680 2 311340", "311340 2 155670", "155670 2 77835", "77835 3 25945", "25945 5 5189", "5189 5189 1" ]
1626838	2 813419	[ "1626838 2 813419", "813419 813419 1" ]
4319074	2 2159537	[ "4319074 2 2159537", "2159537 2159537 1" ]
3191478	2 3 17 67 467	[ "3191478 2 1595739", "1595739 3 531913", "531913 17 31289", "31289 67 467", "467 467 1" ]
2640617	7 377231	[ "2640617 7 377231", "377231 377231 1" ]
3389300	2 2 5 5 33893	[ "3389300 2 1694650", "1694650 2 847325", "847325 5 169465", "169465 5 33893", "33893 33893 1" ]
4400725	5 5 7 25147	[ "4400725 5 880145", "880145 5 176029", "176029 7 25147", "25147 25147 1" ]
2361612	2 2 3 11 17891	[ "2361612 2 1180806", "1180806 2 590403", "590403 3 196801", "196801 11 17891", "17891 17891 1" ]
3563385	3 5 7 33937	[ "3563385 3 1187795", "1187795 5 237559", "237559 7 33937", "33937 33937 1" ]
1655177	1655177	[ "1655177 1655177 1" ]
4246301	4246301	[ "4246301 4246301 1" ]
4315684	2 2 53 20357	[ "4315684 2 2157842", "2157842 2 1078921", "1078921 53 20357", "20357 20357 1" ]
2222594	2 11 101027	[ "2222594 2 1111297", "1111297 11 101027", "101027 101027 1" ]
2622564	2 2 3 3 3 7 3469	[ "2622564 2 1311282", "1311282 2 655641", "655641 3 218547", "218547 3 72849", "72849 3 24283", "24283 7 3469", "3469 3469 1" ]
3108037	37 167 503	[ "3108037 37 84001", "84001 167 503", "503 503 1" ]
882813	3 103 2857	[ "882813 3 294271", "294271 103 2857", "2857 2857 1" ]
79187	79187	[ "79187 79187 1" ]
495806	2 157 1579	[ "495806 2 247903", "247903 157 1579", "1579 1579 1" ]
3151237	1567 2011	[ "3151237 1567 2011", "2011 2011 1" ]
1763046	2 3 3 3 3 10883	[ "1763046 2 881523", "881523 3 293841", "293841 3 97947", "97947 3 32649", "32649 3 10883", "10883 10883 1" ]
1614144	2 2 2 2 2 2 3 7 1201	[ "1614144 2 807072", "807072 2 403536", "403536 2 201768", "201768 2 100884", "100884 2 50442", "50442 2 25221", "25221 3 8407", "8407 7 1201", "1201 1201 1" ]
647829	3 3 7 7 13 113	[ "647829 3 215943", "215943 3 71981", "71981 7 10283", "10283 7 1469", "1469 13 113", "113 113 1" ]
728475	3 5 5 11 883	[ "728475 3 242825", "242825 5 48565", "48565 5 9713", "9713 11 883", "883 883 1" ]
2833757	101 28057	[ "2833757 101 28057", "28057 28057 1" ]
2352418	2 179 6571	[ "2352418 2 1176209", "1176209 179 6571", "6571 6571 1" ]
2975038	2 11 271 499	[ "2975038 2 1487519", "1487519 11 135229", "135229 271 499", "499 499 1" ]
2385816	2 2 2 3 99409	[ "2385816 2 1192908", "1192908 2 596454", "596454 2 298227", "298227 3 99409", "99409 99409 1" ]
2677214	2 19 47 1499	[ "2677214 2 1338607", "1338607 19 70453", "70453 47 1499", "1499 1499 1" ]
4106338	2 139 14771	[ "4106338 2 2053169", "2053169 139 14771", "14771 14771 1" ]
906377	906377	[ "906377 906377 1" ]
4664114	2 7 7 7 13 523	[ "4664114 2 2332057", "2332057 7 333151", "333151 7 47593", "47593 7 6799", "6799 13 523", "523 523 1" ]
2570132	2 2 642533	[ "2570132 2 1285066", "1285066 2 642533", "642533 642533 1" ]
3987005	5 11 71 1021	[ "3987005 5 797401", "797401 11 72491", "72491 71 1021", "1021 1021 1" ]
1839950	2 5 5 7 7 751	[ "1839950 2 919975", "919975 5 183995", "183995 5 36799", "36799 7 5257", "5257 7 751", "751 751 1" ]
3784765	5 23 32911	[ "3784765 5 756953", "756953 23 32911", "32911 32911 1" ]
2657666	2 11 107 1129	[ "2657666 2 1328833", "1328833 11 120803", "120803 107 1129", "1129 1129 1" ]
2161915	5 7 19 3251	[ "2161915 5 432383", "432383 7 61769", "61769 19 3251", "3251 3251 1" ]
2738622	2 3 19 24023	[ "2738622 2 1369311", "1369311 3 456437", "456437 19 24023", "24023 24023 1" ]
1898132	2 2 474533	[ "1898132 2 949066", "949066 2 474533", "474533 474533 1" ]
2083364	2 2 520841	[ "2083364 2 1041682", "1041682 2 520841", "520841 520841 1" ]
538169	17 31657	[ "538169 17 31657", "31657 31657 1" ]
3504337	163 21499	[ "3504337 163 21499", "21499 21499 1" ]

319214

2 7 151 151

[ "319214 2 159607", "159607 7 22801", "22801 151 151", "151 151 1" ]

2285922

2 3 17 73 307

[ "2285922 2 1142961", "1142961 3 380987", "380987 17 22411", "22411 73 307", "307 307 1" ]

2615823

3 3 7 41521

[ "2615823 3 871941", "871941 3 290647", "290647 7 41521", "41521 41521 1" ]

4372785

3 3 3 3 3 5 59 61

[ "4372785 3 1457595", "1457595 3 485865", "485865 3 161955", "161955 3 53985", "53985 3 17995", "17995 5 3599", "3599 59 61", "61 61 1" ]

468614

2 43 5449

[ "468614 2 234307", "234307 43 5449", "5449 5449 1" ]

3410453

113 30181

[ "3410453 113 30181", "30181 30181 1" ]

1633590

2 3 3 5 7 2593

[ "1633590 2 816795", "816795 3 272265", "272265 3 90755", "90755 5 18151", "18151 7 2593", "2593 2593 1" ]

2914504

2 2 2 364313

[ "2914504 2 1457252", "1457252 2 728626", "728626 2 364313", "364313 364313 1" ]

1665363

3 7 7 11329

[ "1665363 3 555121", "555121 7 79303", "79303 7 11329", "11329 11329 1" ]

3522549

3 113 10391

[ "3522549 3 1174183", "1174183 113 10391", "10391 10391 1" ]

1058627

[ "1058627 1058627 1" ]

2526908

2 2 47 13441

[ "2526908 2 1263454", "1263454 2 631727", "631727 47 13441", "13441 13441 1" ]

2626148

2 2 7 71 1321

[ "2626148 2 1313074", "1313074 2 656537", "656537 7 93791", "93791 71 1321", "1321 1321 1" ]

3691859

[ "3691859 3691859 1" ]

4737120

2 2 2 2 2 3 5 71 139

[ "4737120 2 2368560", "2368560 2 1184280", "1184280 2 592140", "592140 2 296070", "296070 2 148035", "148035 3 49345", "49345 5 9869", "9869 71 139", "139 139 1" ]

1249292

2 2 11 28393

[ "1249292 2 624646", "624646 2 312323", "312323 11 28393", "28393 28393 1" ]

659284

2 2 164821

[ "659284 2 329642", "329642 2 164821", "164821 164821 1" ]

562093

7 59 1361

[ "562093 7 80299", "80299 59 1361", "1361 1361 1" ]

4846965

3 5 323131

[ "4846965 3 1615655", "1615655 5 323131", "323131 323131 1" ]

4769253

3 3 3 29 6091

[ "4769253 3 1589751", "1589751 3 529917", "529917 3 176639", "176639 29 6091", "6091 6091 1" ]

1745473

19 91867

[ "1745473 19 91867", "91867 91867 1" ]

828618

2 3 7 109 181

[ "828618 2 414309", "414309 3 138103", "138103 7 19729", "19729 109 181", "181 181 1" ]

1878467

1277 1471

[ "1878467 1277 1471", "1471 1471 1" ]

922347

3 3 3 3 59 193

[ "922347 3 307449", "307449 3 102483", "102483 3 34161", "34161 3 11387", "11387 59 193", "193 193 1" ]

4037096

2 2 2 7 72091

[ "4037096 2 2018548", "2018548 2 1009274", "1009274 2 504637", "504637 7 72091", "72091 72091 1" ]

3138331

7 47 9539

[ "3138331 7 448333", "448333 47 9539", "9539 9539 1" ]

1072886

2 536443

[ "1072886 2 536443", "536443 536443 1" ]

4069067

761 5347

[ "4069067 761 5347", "5347 5347 1" ]

1554002

2 777001

[ "1554002 2 777001", "777001 777001 1" ]

4574289

3 1524763

[ "4574289 3 1524763", "1524763 1524763 1" ]

1860990

2 3 5 17 41 89

[ "1860990 2 930495", "930495 3 310165", "310165 5 62033", "62033 17 3649", "3649 41 89", "89 89 1" ]

4611551

7 29 22717

[ "4611551 7 658793", "658793 29 22717", "22717 22717 1" ]

4351679

61 71339

[ "4351679 61 71339", "71339 71339 1" ]

184727

[ "184727 184727 1" ]

2611987

7 19 41 479

[ "2611987 7 373141", "373141 19 19639", "19639 41 479", "479 479 1" ]

3484204

2 2 43 47 431

[ "3484204 2 1742102", "1742102 2 871051", "871051 43 20257", "20257 47 431", "431 431 1" ]

983187

3 3 29 3767

[ "983187 3 327729", "327729 3 109243", "109243 29 3767", "3767 3767 1" ]

1214492

2 2 23 43 307

[ "1214492 2 607246", "607246 2 303623", "303623 23 13201", "13201 43 307", "307 307 1" ]

2596086

2 3 3 233 619

[ "2596086 2 1298043", "1298043 3 432681", "432681 3 144227", "144227 233 619", "619 619 1" ]

809364

2 2 3 67447

[ "809364 2 404682", "404682 2 202341", "202341 3 67447", "67447 67447 1" ]

2037758

2 1018879

[ "2037758 2 1018879", "1018879 1018879 1" ]

2068447

283 7309

[ "2068447 283 7309", "7309 7309 1" ]

19576

2 2 2 2447

[ "19576 2 9788", "9788 2 4894", "4894 2 2447", "2447 2447 1" ]

1019458

2 11 149 311

[ "1019458 2 509729", "509729 11 46339", "46339 149 311", "311 311 1" ]

3827567

17 61 3691

[ "3827567 17 225151", "225151 61 3691", "3691 3691 1" ]

268891

7 107 359

[ "268891 7 38413", "38413 107 359", "359 359 1" ]

180823

19 31 307

[ "180823 19 9517", "9517 31 307", "307 307 1" ]

507693

3 229 739

[ "507693 3 169231", "169231 229 739", "739 739 1" ]

4444908

2 2 3 13 28493

[ "4444908 2 2222454", "2222454 2 1111227", "1111227 3 370409", "370409 13 28493", "28493 28493 1" ]

1341908

2 2 335477

[ "1341908 2 670954", "670954 2 335477", "335477 335477 1" ]

1520538

2 3 253423

[ "1520538 2 760269", "760269 3 253423", "253423 253423 1" ]

1679350

2 5 5 33587

[ "1679350 2 839675", "839675 5 167935", "167935 5 33587", "33587 33587 1" ]

955021

71 13451

[ "955021 71 13451", "13451 13451 1" ]

1133480

2 2 2 5 43 659

[ "1133480 2 566740", "566740 2 283370", "283370 2 141685", "141685 5 28337", "28337 43 659", "659 659 1" ]

747301

29 73 353

[ "747301 29 25769", "25769 73 353", "353 353 1" ]

1253559

3 383 1091

[ "1253559 3 417853", "417853 383 1091", "1091 1091 1" ]

4631650

2 5 5 17 5449

[ "4631650 2 2315825", "2315825 5 463165", "463165 5 92633", "92633 17 5449", "5449 5449 1" ]

2523986

2 29 43517

[ "2523986 2 1261993", "1261993 29 43517", "43517 43517 1" ]

1245360

2 2 2 2 3 5 5189

[ "1245360 2 622680", "622680 2 311340", "311340 2 155670", "155670 2 77835", "77835 3 25945", "25945 5 5189", "5189 5189 1" ]

1626838

2 813419

[ "1626838 2 813419", "813419 813419 1" ]

4319074

2 2159537

[ "4319074 2 2159537", "2159537 2159537 1" ]

3191478

2 3 17 67 467

[ "3191478 2 1595739", "1595739 3 531913", "531913 17 31289", "31289 67 467", "467 467 1" ]

2640617

7 377231

[ "2640617 7 377231", "377231 377231 1" ]

3389300

2 2 5 5 33893

[ "3389300 2 1694650", "1694650 2 847325", "847325 5 169465", "169465 5 33893", "33893 33893 1" ]

4400725

5 5 7 25147

[ "4400725 5 880145", "880145 5 176029", "176029 7 25147", "25147 25147 1" ]

2361612

2 2 3 11 17891

[ "2361612 2 1180806", "1180806 2 590403", "590403 3 196801", "196801 11 17891", "17891 17891 1" ]

3563385

3 5 7 33937

[ "3563385 3 1187795", "1187795 5 237559", "237559 7 33937", "33937 33937 1" ]

1655177

[ "1655177 1655177 1" ]

4246301

[ "4246301 4246301 1" ]

4315684

2 2 53 20357

[ "4315684 2 2157842", "2157842 2 1078921", "1078921 53 20357", "20357 20357 1" ]

2222594

2 11 101027

[ "2222594 2 1111297", "1111297 11 101027", "101027 101027 1" ]

2622564

2 2 3 3 3 7 3469

[ "2622564 2 1311282", "1311282 2 655641", "655641 3 218547", "218547 3 72849", "72849 3 24283", "24283 7 3469", "3469 3469 1" ]

3108037

37 167 503

[ "3108037 37 84001", "84001 167 503", "503 503 1" ]

882813

3 103 2857

[ "882813 3 294271", "294271 103 2857", "2857 2857 1" ]

79187

[ "79187 79187 1" ]

495806

2 157 1579

[ "495806 2 247903", "247903 157 1579", "1579 1579 1" ]

3151237

1567 2011

[ "3151237 1567 2011", "2011 2011 1" ]

1763046

2 3 3 3 3 10883

[ "1763046 2 881523", "881523 3 293841", "293841 3 97947", "97947 3 32649", "32649 3 10883", "10883 10883 1" ]

1614144

2 2 2 2 2 2 3 7 1201

[ "1614144 2 807072", "807072 2 403536", "403536 2 201768", "201768 2 100884", "100884 2 50442", "50442 2 25221", "25221 3 8407", "8407 7 1201", "1201 1201 1" ]

647829

3 3 7 7 13 113

[ "647829 3 215943", "215943 3 71981", "71981 7 10283", "10283 7 1469", "1469 13 113", "113 113 1" ]

728475

3 5 5 11 883

[ "728475 3 242825", "242825 5 48565", "48565 5 9713", "9713 11 883", "883 883 1" ]

2833757

101 28057

[ "2833757 101 28057", "28057 28057 1" ]

2352418

2 179 6571

[ "2352418 2 1176209", "1176209 179 6571", "6571 6571 1" ]

2975038

2 11 271 499

[ "2975038 2 1487519", "1487519 11 135229", "135229 271 499", "499 499 1" ]

2385816

2 2 2 3 99409

[ "2385816 2 1192908", "1192908 2 596454", "596454 2 298227", "298227 3 99409", "99409 99409 1" ]

2677214

2 19 47 1499

[ "2677214 2 1338607", "1338607 19 70453", "70453 47 1499", "1499 1499 1" ]

4106338

2 139 14771

[ "4106338 2 2053169", "2053169 139 14771", "14771 14771 1" ]

906377

[ "906377 906377 1" ]

4664114

2 7 7 7 13 523

[ "4664114 2 2332057", "2332057 7 333151", "333151 7 47593", "47593 7 6799", "6799 13 523", "523 523 1" ]

2570132

2 2 642533

[ "2570132 2 1285066", "1285066 2 642533", "642533 642533 1" ]

3987005

5 11 71 1021

[ "3987005 5 797401", "797401 11 72491", "72491 71 1021", "1021 1021 1" ]

1839950

2 5 5 7 7 751

[ "1839950 2 919975", "919975 5 183995", "183995 5 36799", "36799 7 5257", "5257 7 751", "751 751 1" ]

3784765

5 23 32911

[ "3784765 5 756953", "756953 23 32911", "32911 32911 1" ]

2657666

2 11 107 1129

[ "2657666 2 1328833", "1328833 11 120803", "120803 107 1129", "1129 1129 1" ]

2161915

5 7 19 3251

[ "2161915 5 432383", "432383 7 61769", "61769 19 3251", "3251 3251 1" ]

2738622

2 3 19 24023

[ "2738622 2 1369311", "1369311 3 456437", "456437 19 24023", "24023 24023 1" ]

1898132

2 2 474533

[ "1898132 2 949066", "949066 2 474533", "474533 474533 1" ]

2083364

2 2 520841

[ "2083364 2 1041682", "1041682 2 520841", "520841 520841 1" ]

538169

17 31657

[ "538169 17 31657", "31657 31657 1" ]

3504337

163 21499

[ "3504337 163 21499", "21499 21499 1" ]