////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den2/Page30.txt
//
////////////////////////////////////////////////////////////////

Generator:
K(12,7,4,5207)

Problem:
1680*x_1+2415*x_2+6930*x_3+6336*x_4+840*x_5+8190*x_6+8414*x_7=4376 (mod 9240)
1694*x_1+1001*x_2+2530*x_3+1881*x_4+1846*x_5+715*x_6+902*x_7=1050 (mod 2717)
1568*x_1+2747*x_2+539*x_3+14*x_4+2412*x_5+2812*x_6+1932*x_7=1735 (mod 3752)
1164*x_1+776*x_2+1140*x_3+582*x_4+1282*x_5+400*x_6+97*x_7=1374 (mod 1552)
2640*x_1+5812*x_2+2595*x_3+2181*x_4+7389*x_5+4314*x_6+4359*x_7=5682 (mod 8718)
2571*x_1+3660*x_2+2571*x_3+2571*x_4+4536*x_5+1714*x_6+2430*x_7=809 (mod 5142)
1114*x_1+1420*x_2+1671*x_3+630*x_4+2228*x_5+1671*x_6+1114*x_7=2654 (mod 2785)
4444*x_1+7095*x_2+7480*x_3+2508*x_4+1454*x_5+1454*x_6+1188*x_7=5207 (mod 7997)
4452*x_1+848*x_2+6350*x_3+6360*x_4+5588*x_5+5406*x_6+3683*x_7=5698 (mod 6731)
1062*x_1+195*x_2+245*x_3+1180*x_4+725*x_5+590*x_6+725*x_7=1454 (mod 1475)
1240*x_1+4050*x_2+2042*x_3+4725*x_4+3063*x_5+3120*x_6+3015*x_7=2511 (mod 5105)
6006*x_1+2591*x_2+5182*x_3+6264*x_4+2591*x_5+711*x_6+1185*x_7=7471 (mod 7773)

Solution:
x_1=60100569323718892880985566846586177
x_2=17350532901023426247306955522752450
x_3=69225314611495509323893451600410225
x_4=39539322433086583840624126192244001
x_5=15428983939306255827349810646537952
x_6=9524064160065590016882599164529600
x_7=65477941100450931366067869256141000