import random
n=3
m=9
q=107
a=[]
for i in range(0,m):
    b=[]
    for j in range(0,m):
        b.append(0)
    a.append(b)
for i in range(0,n):
    for j in range(n,m):
        a[i][j]=random.choice(range(q))*11111111111111
for i in range(0,n):
    a[i][i]=1
for i in range(n,m):
    a[i][i]=q*11111111111111
for i in range(0,m):
    for j in range(0,m):
        print(a[i][j],end=' ')
    print()
A=matrix(a)
A.LLL()