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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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int t, n, a, b;
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bool flag, flag_a, flag_b;
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vector<int> ans_left, ans_right;
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int main() {
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cin >> t;
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while (t--) {
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flag = flag_a = flag_b = false;
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ans_left.clear();
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ans_right.clear();
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cin >> n >> a >> b;
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for (int i = n; i > 0; i--) {
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if (i == a) {
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ans_left.push_back(i);
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flag_a = true;
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} else if (i == b) {
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ans_right.push_back(i);
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flag_b = true;
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} else if (i > a && ans_left.size() + !flag_a < n / 2) {
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ans_left.push_back(i);
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} else if (i < b && ans_right.size() + !flag_b < n / 2) {
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ans_right.push_back(i);
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} else {
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flag = true;
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break;
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}
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}
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if (flag) {
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cout << -1 << endl;
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} else {
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for (int ans : ans_left) {
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cout << ans << ' ';
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}
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for (int ans : ans_right) {
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cout << ans << ' ';
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}
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cout << endl;
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}
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}
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return 0;
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}
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