Optimize a model with 1323 rows, 874503 columns and 1749006 nonzeros Presolve removed 0 rows and 0 columns (presolve time = 6s) ... Presolve time: 7.06s Presolved: 1323 rows, 874503 columns, 1749006 nonzeros Variable types: 0 continuous, 874503 integer (874503 binary) Starting sifting (using dual simplex for sub-problems)... Iter Pivots Primal Obj Dual Obj Time 0 0 infinity 0.0000000e+00 0s 1 1650 4.2412455e+06 2.9375025e+03 0s 2 3517 2.2422195e+06 5.3466682e+03 0s Sifting complete Root relaxation: objective 2.451555e+05, 5408 iterations, 0.56 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 245155.500 0 230 - 245155.500 - - 9s 0 0 245787.000 0 190 - 245787.000 - - 16s 0 0 247118.833 0 336 - 247118.833 - - 18s 0 0 248061.656 0 338 - 248061.656 - - 20s 0 0 248718.933 0 291 - 248718.933 - - 22s 0 0 249014.689 0 351 - 249014.689 - - 25s 0 0 249429.025 0 344 - 249429.025 - - 27s 0 0 249725.631 0 321 - 249725.631 - - 29s 0 0 250167.053 0 419 - 250167.053 - - 31s 0 0 250477.797 0 462 - 250477.797 - - 33s 0 0 250748.756 0 381 - 250748.756 - - 35s 0 0 250881.568 0 471 - 250881.568 - - 37s 0 0 251089.990 0 366 - 251089.990 - - 40s 0 0 251219.609 0 452 - 251219.609 - - 42s 0 0 251301.283 0 428 - 251301.283 - - 45s 0 0 251301.283 0 418 - 251301.283 - - 64s 0 2 251303.316 0 418 - 251303.316 - - 107s 3 5 253899.325 2 266 - 253897.108 - 100 110s 20 22 254260.950 15 227 - 253906.358 - 18.6 115s 39 41 254462.268 31 160 - 253906.358 - 11.7 120s 59 61 254643.667 46 93 - 253906.358 - 8.8 125s 79 81 254922.000 62 67 - 253906.358 - 7.5 130s 105 107 255237.000 84 61 - 253906.358 - 6.3 135s 123 125 255406.500 99 59 - 253906.358 - 5.7 140s 145 147 255594.500 117 44 - 253906.358 - 5.2 145s 167 169 255952.000 136 46 - 253906.358 - 4.9 150s 188 190 256105.000 154 36 - 253906.358 - 4.6 155s 210 212 256454.000 169 40 - 253906.358 - 4.5 160s 230 232 256563.750 186 42 - 253906.358 - 4.4 165s 249 251 256742.000 201 36 - 253906.358 - 4.3 170s 272 274 256929.000 221 38 - 253906.358 - 4.2 175s 291 293 257116.000 237 38 - 253906.358 - 4.1 180s 316 318 257476.000 257 38 - 253906.358 - 4.0 185s 333 335 257659.500 269 51 - 253906.358 - 4.0 190s 356 358 257793.000 288 42 - 253906.358 - 3.9 195s 376 378 257973.500 304 36 - 253906.358 - 3.8 200s 397 399 258208.000 321 36 - 253906.358 - 3.8 205s 418 420 258386.500 339 40 - 253906.358 - 3.8 210s 435 437 258454.500 352 40 - 253906.358 - 3.7 215s 453 455 258612.500 365 30 - 253906.358 - 3.6 220s 471 473 258941.500 378 30 - 253906.358 - 3.6 225s 490 492 259215.000 392 32 - 253906.358 - 3.6 230s 508 510 259295.000 406 30 - 253906.358 - 3.6 235s 526 528 259628.500 421 30 - 253906.358 - 3.6 240s 544 546 259873.667 435 44 - 253906.358 - 3.6 245s 563 565 260141.000 449 32 - 253906.358 - 3.6 250s 582 584 260185.000 464 32 - 253906.358 - 3.5 255s 602 604 260403.500 480 30 - 253906.358 - 3.5 260s 624 626 260559.000 497 32 - 253906.358 - 3.5 265s 646 648 260657.450 515 45 - 253906.358 - 3.5 270s 668 670 260821.500 533 34 - 253906.358 - 3.4 275s 688 690 261171.000 547 32 - 253906.358 - 3.5 280s 708 710 261345.167 565 35 - 253906.358 - 3.4 285s 729 731 261545.000 579 30 - 253906.358 - 3.4 290s 747 749 261640.000 595 30 - 253906.358 - 3.4 295s 765 767 261787.000 609 30 - 253906.358 - 3.4 300s 784 786 261853.000 628 32 - 253906.358 - 3.4 305s 800 802 261946.500 642 30 - 253906.358 - 3.4 310s 817 819 261939.500 655 30 - 253906.358 - 3.3 315s 836 838 262004.000 671 30 - 253906.358 - 3.3 320s 852 854 262167.000 682 30 - 253906.358 - 3.3 325s 869 871 262347.500 697 30 - 253906.358 - 3.3 330s 887 889 262453.000 713 32 - 253906.358 - 3.3 335s 906 908 262536.500 728 34 - 253906.358 - 3.3 340s 926 928 262707.000 743 32 - 253906.358 - 3.3 345s 943 945 262791.500 758 30 - 253906.358 - 3.3 350s 963 965 263074.000 771 30 - 253906.358 - 3.3 355s 981 983 263234.500 786 34 - 253906.358 - 3.3 360s 1001 1003 263522.500 798 30 - 253906.358 - 3.3 365s 1021 1023 263919.000 812 30 - 253906.358 - 3.3 370s 1041 1043 264136.000 831 32 - 253906.358 - 3.2 375s 1061 1063 264498.000 844 30 - 253906.358 - 3.3 380s 1081 1083 264831.000 860 30 - 253906.358 - 3.3 385s 1101 1103 265233.000 875 30 - 253906.358 - 3.3 390s 1122 1124 265489.000 891 30 - 253906.358 - 3.3 395s 1141 1143 265904.000 907 32 - 253906.358 - 3.3 400s 1160 1162 266255.000 919 30 - 253906.358 - 3.3 405s 1180 1182 266912.500 932 30 - 253906.358 - 3.3 410s 1205 1207 267639.000 949 30 - 253906.358 - 3.3 415s 1226 1228 268564.000 964 30 - 253906.358 - 3.3 420s 1247 1249 268948.000 983 30 - 253906.358 - 3.4 425s 1267 1269 269233.500 1001 32 - 253906.358 - 3.4 430s 1286 1288 269649.500 1014 30 - 253906.358 - 3.4 435s 1306 1308 269834.000 1033 24 - 253906.358 - 3.4 440s 1326 1328 270075.000 1048 26 - 253906.358 - 3.4 445s 1343 1345 270412.500 1059 30 - 253906.358 - 3.4 450s 1362 1364 270841.000 1073 24 - 253906.358 - 3.4 455s 1387 1389 271736.500 1090 24 - 253906.358 - 3.4 460s 1405 1407 272339.000 1103 24 - 253906.358 - 3.5 465s 1424 1426 272669.000 1117 24 - 253906.358 - 3.5 470s 1443 1445 273122.000 1133 24 - 253906.358 - 3.5 475s 1462 1464 273526.000 1148 26 - 253906.358 - 3.5 480s 1482 1484 273917.000 1165 24 - 253906.358 - 3.5 485s 1499 1501 274228.500 1177 24 - 253906.358 - 3.5 490s 1517 1519 274612.500 1190 24 - 253906.358 - 3.4 495s 1537 1539 275158.000 1206 26 - 253906.358 - 3.4 500s 1557 1559 275365.000 1221 26 - 253906.358 - 3.4 505s 1574 1576 275523.000 1234 34 - 253906.358 - 3.4 510s 1594 1596 275793.500 1251 24 - 253906.358 - 3.4 515s 1615 1617 275989.500 1267 24 - 253906.358 - 3.4 520s 1637 1639 276502.000 1282 37 - 253906.358 - 3.4 525s 1658 1660 276708.500 1299 26 - 253906.358 - 3.4 530s 1679 1681 277071.500 1312 23 - 253906.358 - 3.5 535s 1699 1701 277263.500 1326 20 - 253906.358 - 3.5 540s 1720 1722 277594.000 1341 18 - 253906.358 - 3.5 545s 1739 1741 277928.000 1356 18 - 253906.358 - 3.5 550s 1760 1762 278526.000 1372 18 - 253906.358 - 3.5 555s 1777 1779 278919.000 1381 18 - 253906.358 - 3.5 560s 1798 1800 279052.500 1398 18 - 253906.358 - 3.5 565s 1817 1819 279781.000 1411 18 - 253906.358 - 3.6 570s 1835 1837 279717.500 1427 20 - 253906.358 - 3.6 575s 1856 1858 279946.000 1443 18 - 253906.358 - 3.6 580s 1874 1876 280121.500 1458 22 - 253906.358 - 3.5 585s 1892 1894 280121.000 1472 20 - 253906.358 - 3.5 590s 1911 1913 280421.000 1486 18 - 253906.358 - 3.5 595s 1931 1933 280869.000 1500 18 - 253906.358 - 3.5 600s 1953 1955 281157.000 1517 18 - 253906.358 - 3.5 605s 1973 1975 281570.000 1531 18 - 253906.358 - 3.5 610s 1992 1994 282291.000 1544 20 - 253906.358 - 3.5 615s 2015 2017 282807.000 1558 20 - 253906.358 - 3.6 620s 2034 2036 283653.500 1572 18 - 253906.358 - 3.6 625s 2057 2059 284325.500 1587 18 - 253906.358 - 3.6 630s 2074 2076 284500.250 1601 25 - 253906.358 - 3.6 635s 2095 2097 284683.000 1617 18 - 253906.358 - 3.6 640s 2117 2119 285016.000 1633 18 - 253906.358 - 3.6 645s 2137 2139 285243.000 1648 18 - 253906.358 - 3.6 650s 2159 2161 286040.000 1663 12 - 253906.358 - 3.6 655s 2178 2180 286264.000 1677 14 - 253906.358 - 3.6 660s 2201 2203 286852.000 1693 12 - 253906.358 - 3.6 665s 2222 2224 286933.000 1709 14 - 253906.358 - 3.6 670s 2241 2243 287257.500 1723 12 - 253906.358 - 3.6 675s 2264 2266 287757.000 1739 12 - 253906.358 - 3.6 680s 2283 2285 287999.500 1753 12 - 253906.358 - 3.6 685s 2308 2310 288398.500 1771 12 - 253906.358 - 3.6 690s 2330 2332 288862.000 1786 12 - 253906.358 - 3.6 695s 2353 2355 289517.000 1803 6 - 253906.358 - 3.6 700s 2372 2374 289847.000 1817 6 - 253906.358 - 3.6 705s 2389 2391 290167.000 1829 6 - 253906.358 - 3.6 710s 2409 2411 290551.000 1844 6 - 253906.358 - 3.6 715s 2428 2430 291030.000 1860 8 - 253906.358 - 3.6 720s 2446 2448 291264.000 1876 6 - 253906.358 - 3.6 725s 2465 2467 291517.000 1890 6 - 253906.358 - 3.6 730s 2484 2486 291864.000 1905 8 - 253906.358 - 3.6 735s 2500 2502 292039.500 1917 6 - 253906.358 - 3.6 740s 2517 2519 292194.000 1931 8 - 253906.358 - 3.6 745s 2535 2537 292366.500 1945 6 - 253906.358 - 3.6 750s 2553 2555 292552.500 1957 8 - 253906.358 - 3.6 755s 2572 2574 292778.500 1970 6 - 253906.358 - 3.6 760s 2591 2593 292998.000 1986 8 - 253906.358 - 3.6 765s 2614 2616 293450.500 2004 6 - 253906.358 - 3.7 770s 2638 2640 293989.500 2022 6 - 253906.358 - 3.7 775s 2656 2658 294506.000 2038 8 - 253906.358 - 3.7 780s 2677 2679 294734.500 2058 6 - 253906.358 - 3.7 785s 2695 2697 294924.500 2072 6 - 253906.358 - 3.7 790s 2716 2718 295121.500 2090 6 - 253906.358 - 3.6 795s 2737 2739 295515.500 2106 8 - 253906.358 - 3.6 800s 2758 2760 296094.500 2121 6 - 253906.358 - 3.7 805s 2780 2782 296658.500 2137 10 - 253906.358 - 3.7 810s 2803 2805 296988.500 2154 6 - 253906.358 - 3.7 815s 2825 2827 297321.500 2171 6 - 253906.358 - 3.7 820s 2845 2847 297319.500 2190 10 - 253906.358 - 3.6 825s 2865 2867 297489.000 2208 10 - 253906.358 - 3.6 830s 2887 2889 298002.500 2222 12 - 253906.358 - 3.7 835s 2905 2907 298053.500 2237 6 - 253906.358 - 3.6 840s 2926 2928 298240.000 2256 6 - 253906.358 - 3.6 845s 2946 2948 298563.000 2272 6 - 253906.358 - 3.7 850s 2966 2968 298908.000 2287 6 - 253906.358 - 3.7 855s 2985 2987 299019.250 2305 11 - 253906.358 - 3.7 860s 3003 3005 299154.500 2322 8 - 253906.358 - 3.6 865s 3026 3028 300234.000 2336 8 - 253906.358 - 3.7 870s 3045 3047 300459.000 2354 6 - 253906.358 - 3.6 875s 3069 3071 300760.000 2373 8 - 253906.358 - 3.6 880s 3088 3090 301161.500 2387 8 - 253906.358 - 3.7 885s 3110 3112 301460.000 2401 8 - 253906.358 - 3.7 890s 3130 3132 301702.000 2414 6 - 253906.358 - 3.7 895s 3150 3152 302325.000 2428 8 - 253906.358 - 3.7 900s 3170 3172 302812.500 2445 6 - 253906.358 - 3.7 905s 3189 3191 303122.000 2462 6 - 253906.358 - 3.7 910s 3209 3211 303681.500 2477 6 - 253906.358 - 3.7 915s 3229 3231 303884.000 2494 8 - 253906.358 - 3.7 920s 3250 3252 304592.000 2508 6 - 253906.358 - 3.8 925s 3273 3275 305010.000 2522 6 - 253906.358 - 3.8 930s 3293 3295 305431.000 2535 6 - 253906.358 - 3.8 935s 3319 3321 305945.500 2558 8 - 253906.358 - 3.8 940s 3337 3339 306089.500 2575 6 - 253906.358 - 3.8 945s 3356 3358 306216.500 2590 8 - 253906.358 - 3.8 950s 3374 3376 306608.500 2605 6 - 253906.358 - 3.8 955s 3393 3395 306806.000 2623 6 - 253906.358 - 3.8 960s 3412 3414 307008.000 2639 8 - 253906.358 - 3.8 965s 3432 3434 307565.500 2657 6 - 253906.358 - 3.8 970s 3451 3453 307791.000 2674 6 - 253906.358 - 3.8 975s 3473 3475 308376.000 2688 8 - 253906.358 - 3.8 980s 3492 3494 309050.000 2701 6 - 253906.358 - 3.8 988s 3504 3482 infeasible 2697 - 253906.358 - 3.9 990s 3510 3481 307048.500 2629 418 - 253930.719 - 4.0 1012s 3512 3482 294950.500 2073 172 - 257355.500 - 4.0 1024s 3513 3483 260674.500 518 147 - 260074.733 - 4.0 1034s 3514 3484 299369.500 2314 140 - 261070.096 - 4.0 1047s 3515 3484 286960.000 1703 154 - 261406.167 - 4.0 1067s 3516 3485 261565.628 518 159 - 261565.628 - 4.0 1092s 3517 3486 296509.500 2121 192 - 261758.814 - 4.0 1117s 3518 3486 287193.000 1710 227 - 261872.131 - 4.0 1143s 3519 3487 261971.379 518 263 - 261971.379 - 4.0 1178s 3520 3488 304857.500 2519 265 - 262009.916 - 4.0 1207s 3521 3488 292563.000 1959 301 - 262054.446 - 4.0 1248s 3522 3489 269892.000 1043 347 - 262098.601 - 4.0 1283s 3523 3490 262594.000 715 386 - 262120.154 - 4.0 1315s 3524 3490 307048.500 2629 404 - 262133.635 - 4.0 1348s 3525 3491 287193.000 1710 408 - 262148.702 - 4.0 1371s 3526 3492 262150.426 556 454 - 262150.426 - 4.0 1472s 3527 3492 286960.000 1703 454 - 262150.426 - 4.0 1485s 3528 3493 296509.500 2121 454 - 262150.426 - 4.0 1538s 3529 3496 264556.360 16 308 - 262157.187 - 7.0 1589s 3530 3496 264565.844 16 291 - 264565.844 - 7.1 1591s 3531 3497 264566.838 17 314 - 264566.838 - 7.1 1595s 3540 3503 264761.551 21 198 - 264566.838 - 7.1 1600s 3552 3511 264911.868 27 144 - 264566.838 - 7.1 1605s 3569 3522 265058.762 36 103 - 264566.838 - 7.1 1610s 3584 3532 265353.762 43 91 - 264566.838 - 7.1 1615s 3598 3542 265408.500 50 82 - 264566.838 - 7.1 1620s 3609 3549 265280.500 56 99 - 264566.838 - 7.1 1625s 3624 3559 265720.500 63 94 - 264566.838 - 7.1 1630s 3643 3572 265350.750 73 91 - 264566.838 - 7.1 1635s 3656 3580 265497.250 79 73 - 264566.838 - 7.1 1640s 3675 3593 265413.917 89 83 - 264566.838 - 7.1 1645s 3691 3604 265432.083 97 78 - 264566.838 - 7.1 1650s 3706 3614 265657.750 104 64 - 264566.838 - 7.1 1655s 3717 3621 265681.250 110 58 - 264566.838 - 7.1 1660s 3729 3629 265724.250 116 60 - 264566.838 - 7.1 1665s 3743 3638 265900.000 123 58 - 264566.838 - 7.1 1670s 3760 3650 266161.000 131 42 - 264566.838 - 7.1 1675s 3777 3661 266321.000 140 36 - 264566.838 - 7.1 1680s 3789 3669 266376.000 146 36 - 264566.838 - 7.1 1685s 3801 3677 266438.167 152 44 - 264566.838 - 7.1 1690s 3818 3688 266889.500 160 18 - 264566.838 - 7.0 1695s 3836 3700 266951.500 169 18 - 264566.838 - 7.0 1700s 3849 3709 267441.750 176 26 - 264566.838 - 7.0 1705s 3864 3719 267617.000 183 20 - 264566.838 - 7.0 1710s 3879 3729 267718.500 191 20 - 264566.838 - 7.0 1715s 3891 3737 267782.500 197 18 - 264566.838 - 7.0 1720s 3905 3746 267876.000 204 18 - 264566.838 - 7.0 1725s 3916 3754 268124.500 209 18 - 264566.838 - 7.0 1730s 3930 3763 268316.500 216 20 - 264566.838 - 7.0 1735s 3940 3770 268341.000 221 18 - 264566.838 - 7.0 1740s 3956 3780 268691.000 229 18 - 264566.838 - 7.0 1745s 3973 3792 268417.500 238 18 - 264566.838 - 7.0 1750s 3986 3800 268731.500 244 18 - 264566.838 - 7.0 1755s 4004 3812 268659.000 253 18 - 264566.838 - 7.0 1760s 4021 3824 268924.000 262 18 - 264566.838 - 7.0 1765s 4034 3832 269035.000 268 18 - 264566.838 - 7.0 1770s 4051 3844 269360.500 277 20 - 264566.838 - 7.0 1775s 4065 3853 269444.500 284 18 - 264566.838 - 7.0 1780s 4078 3862 269577.000 290 18 - 264566.838 - 7.0 1785s 4091 3870 269652.500 297 18 - 264566.838 - 7.0 1790s 4106 3880 269764.000 304 18 - 264566.838 - 6.9 1795s 4117 3888 269810.000 310 22 - 264566.838 - 6.9 1800s 4134 3899 269949.000 318 18 - 264566.838 - 6.9 1805s 4147 3908 269876.500 325 20 - 264566.838 - 6.9 1810s 4161 3917 269911.500 332 20 - 264566.838 - 6.9 1815s 4176 3927 270014.500 339 20 - 264566.838 - 6.9 1820s 4192 3938 270433.500 347 18 - 264566.838 - 6.9 1825s 4206 3947 270355.000 354 20 - 264566.838 - 6.9 1830s 4225 3960 270551.000 364 20 - 264566.838 - 6.9 1835s 4239 3969 270819.500 371 18 - 264566.838 - 6.9 1840s 4254 3979 271006.500 378 18 - 264566.838 - 6.9 1845s 4270 3990 271045.000 386 18 - 264566.838 - 6.9 1850s 4282 3998 271123.000 392 18 - 264566.838 - 6.9 1855s 4287 4001 271142.500 395 22 - 264566.838 - 6.9 1860s 4300 4010 271340.000 401 18 - 264566.838 - 6.9 1865s 4312 4018 271410.500 407 30 - 264566.838 - 6.9 1870s 4324 4026 271398.500 413 18 - 264566.838 - 6.9 1875s 4339 4036 271553.500 421 18 - 264566.838 - 6.9 1880s 4351 4044 271621.000 427 21 - 264566.838 - 6.9 1885s 4364 4052 271774.500 433 18 - 264566.838 - 6.9 1890s 4379 4062 271657.500 441 24 - 264566.838 - 6.9 1895s 4395 4073 271704.000 449 18 - 264566.838 - 6.9 1900s 4408 4082 271760.500 455 20 - 264566.838 - 6.9 1905s 4420 4090 271894.000 461 18 - 264566.838 - 6.9 1910s 4434 4099 272339.500 468 18 - 264566.838 - 6.9 1915s 4450 4110 272635.000 476 20 - 264566.838 - 6.9 1920s 4464 4119 273138.500 483 18 - 264566.838 - 6.9 1925s 4477 4128 272932.000 490 18 - 264566.838 - 6.9 1930s 4498 4142 273314.500 500 18 - 264566.838 - 6.9 1935s 4513 4152 273468.500 508 22 - 264566.838 - 6.9 1940s 4526 4160 273730.500 514 18 - 264566.838 - 6.9 1945s 4542 4171 273762.500 522 18 - 264566.838 - 6.9 1950s 4557 4181 273764.000 530 18 - 264566.838 - 6.9 1955s 4574 4192 274279.000 538 18 - 264566.838 - 6.9 1960s 4591 4204 274315.500 547 20 - 264566.838 - 6.8 1965s 4606 4214 274647.500 554 18 - 264566.838 - 6.8 1970s 4625 4226 274740.000 564 20 - 264566.838 - 6.8 1975s 4635 4233 274854.000 569 18 - 264566.838 - 6.8 1980s 4650 4243 274983.000 576 18 - 264566.838 - 6.8 1985s 4666 4254 275057.500 584 18 - 264566.838 - 6.8 1990s 4682 4264 275342.500 592 20 - 264566.838 - 6.8 1995s 4695 4273 275562.500 599 18 - 264566.838 - 6.8 2000s 4711 4284 275831.500 607 18 - 264566.838 - 6.8 2005s 4726 4294 276104.500 614 18 - 264566.838 - 6.8 2010s 4741 4304 276348.000 622 12 - 264566.838 - 6.8 2015s 4758 4315 276575.000 630 12 - 264566.838 - 6.8 2020s 4772 4324 277162.000 637 12 - 264566.838 - 6.8 2025s 4789 4336 277031.000 646 14 - 264566.838 - 6.8 2030s 4804 4346 277404.000 653 14 - 264566.838 - 6.8 2035s 4820 4356 277321.000 661 14 - 264566.838 - 6.8 2040s 4837 4368 277455.500 670 8 - 264566.838 - 6.8 2045s 4849 4376 277532.000 676 8 - 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264566.838 - 6.7 3540s 9173 7258 342133.500 2838 6 - 264566.838 - 6.7 3545s 9186 7267 342212.000 2844 8 - 264566.838 - 6.7 3550s 9204 7279 343326.000 2853 6 - 264566.838 - 6.7 3555s 9215 7286 343539.500 2859 6 - 264566.838 - 6.7 3587s 9217 7288 359912.167 2860 107 - 264566.838 - 6.8 3590s 9229 7296 360058.667 2866 81 - 264566.838 - 6.8 3595s Cutting planes: Gomory: 107 Zero half: 46 Mod-K: 14 Explored 9247 nodes (69730 simplex iterations) in 3600.13 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective -, best bound 2.645670000000e+05, gap - Gurobi 5.0.1 (linux64) logging started Tue Nov 27 07:13:45 2012