////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den3/Page38.txt
//
////////////////////////////////////////////////////////////////

Generator:
R(7,4,8,4449)

Problem:
6705764*x_1+3719900*x_2+19416719*x_3+45740215*x_4=2220527 (mod 86561657)
92897189*x_1+99011720*x_2+19429758*x_3+28372545*x_4=95216456 (mod 76660565)
83915354*x_2+86541684*x_3+37605299*x_4=45680194 (mod 92104107)
12281119*x_1+53168707*x_2=80411510 (mod 83119219)
22862475*x_1+22603243*x_2=19730297 (mod 620678)
53215293*x_2+92011372*x_4=61223926 (mod 78249824)
68798091*x_3+93176423*x_4=19197158 (mod 91927284)

Solution:
x_1=6855814074403627617852917535657581279857168847689089
x_2=5438121227843269916749623930768705349745793551425390
x_3=1703993529128685905527232737152438894221653240747170
x_4=6300422543981446497770588745980086430353501466643520