////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den3/Page9.txt
//
////////////////////////////////////////////////////////////////

Generator:
R(7,4,7,2728)

Problem:
288176*x_1+1077119*x_4=4570873 (mod 9929605)
2645741*x_1+8814843*x_2+821670*x_4=9886379 (mod 6646691)
1196859*x_3+6432729*x_4=57087 (mod 8810671)
4926513*x_1+6544094*x_2=1768729 (mod 5353091)
2171728*x_2+3927044*x_3+9679041*x_4=7565716 (mod 3082463)
5011474*x_3+4657155*x_4=6746592 (mod 5110064)
9675449*x_1+117571*x_4=5102058 (mod 50479)

Solution:
x_1=217502421846145594764622761495701913101474608
x_2=1698445854541036581188842691415509028994035920
x_3=1493284837032742043865189628173895828615201680
x_4=808183407250413671931945476197241936905672960