python3 - <<'PY'
p=996979
g=379153
d=14641
B=list(range(509847,509896))
A1=list(range(221445,221491))
A2=list(range(884827,884872))
cliques=[]
for a in A1: cliques.append([a]+B)
for b in A2: cliques.append(B+[b])
C2=C3=0
bad=0
for X in cliques:
    orig=[(d*x)%p for x in X]
    for aa in orig:
        C2=(C2+aa*aa)%983
        C3=(C3+aa*aa*aa)%983
    for i in range(50):
        for j in range(i+1,50):
            lam=(g*(orig[i]+orig[j])+123801)%p
            if not(146517<=lam<=146611 or 521496<=lam<=521588 or 855093<=lam<=855186): bad+=1
print('cliques',len(cliques),'bad',bad,'C2,C3',C2,C3)
# also verify all lambda registry B and C shift conditions raw
bad2=0
for X in cliques:
    orig=[(d*x)%p for x in X]
    for i in range(50):
        for j in range(i+1,50):
            lam=(g*(orig[i]+orig[j])+123801)%p
            ok1=146517<=lam<=146611
            ok2=793324<=(lam+271828)%p<=793416
            ok3=172273<=(lam+314159)%p<=172366
            if not(ok1 or ok2 or ok3): bad2+=1
print('bad2',bad2)
PY