M,mod = 4000,998244353
dp = [[0 for i in range(M + 1)] for j in range(M + 1)]
dp[0][0] = 1
for i in range(1,M + 1):
  for j in range(M + 1):
    dp[i][j] = (dp[i][j] + dp[i - 1][j]) % mod
    if j + i <= M:
      dp[i][j + i] = (dp[i][j + i] + dp[i][j]) % mod

for _ in range(int(input())):
  q,n,k = map(int,input().split())
  ans = dp[k][n]
  print(ans)