The first line of the input contains integer T(1≤T≤100) -the number of the test casesFor each case: there will be one line, which contains three integers n,m,k(1≤n,m≤109 1≤k≤106, k≤n,m).
For each test case, you need print an integer means the number of ways of different coloring methods modulo 109+7.
2 3 2 2 3 2 1
2 0
In the first example we have two ways:
121
212
where 1 and 2 are two different color.
In the second example we can't do that.
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