mod = 998244353
s = 4005
m = [[0]*s for _ in range(s)]
m[0][0] = 1
for i in range(s):
    acc = m[i][0]
    for j in range(1, s):
        acc += m[i][j]
        acc %= mod
        m[min(s-1, i+j)][j] += acc
        m[min(s-1, i+j)][j] %= mod
        m[i][j] += m[i][j-1]
        m[i][j] %= mod

for _ in range(int(input())):
    t, n, k = map(int, input().split())
    print(m[n][k])