"""
mod 取り忘れないでね～～～


適当に 1 で引きまくる
微調整パートを入れるでどうにかならすか？

1 ~ 200 について総和

"""

from math import isqrt
from collections import deque
import sys

mod = 998244353
input = sys.stdin.readline
II = lambda : int(input())
MI = lambda : (int(_) for _ in input().split())
LI = lambda : list(int(_) for _ in input().split())
SI = lambda : input()

n = II()

e = []
for i in range(1, n):
    e.append((i, i+1, 1))

for v in range(1, n-1):
    e.append((1, n, v))


print(len(e))
for u, v, c in e:
    print(u, v, c)

for i in range(1, n+1):
    for j in range(i+1, n+1):
        p = [*range(i-1, 0, -1)]
        q = [*range(j, n)]
        pq = len(p) + len(q)
        s = pq + 1
        while isqrt(s) ** 2 != s: s += 1
        ans = p + [s - pq + n - 1] + q
        print(len(ans), *ans)