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 = na()
ans = []
from bisect import bisect_right
while True:
    if a[0] == a[-1]:
        break
    m = (a[-1] - a[0] + 1)//2
    # x  <= a[-1] - m
    r = bisect_right(a, a[-1] - m)
    ans.append((1, r, m))
    a = [x + m for x in a[:r]] + a[r:]
    a = sorted(a)

    # print(a)

print(len(ans))
for l, r, v in ans:
    print(l, r, v)