N=30 MOD=998244353 print(2*N) for i in range(N): Q=[] for j in range(N): Q.append((i+j)%N+1) print(2) print(*Q) print(4) print(1,pow(30,MOD-2,MOD)) for i in range(2,N+1): print(4) print(i,(pow(pow(i,30,MOD)-1,MOD-2,MOD)*(i-1)*pow(30,MOD-2,MOD))%MOD)