import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################



n = ni()
a = sorted(na())

N = 2 * n + 1
print(N)
f = [0]
for i in range(n):
    print(2 * i + 1, 2 * i + 2 + 1, a[i] // 2 - (0 if i == 0 else a[i-1] // 2))
    print(2 * i+1 + 1, 2 * i + 2 + 1, a[i] // 2)
    f.append(2 * i + 1)

print(len(f))
print(*[i+1 for i in f])