#define _USE_MATH_DEFINES #include using namespace std; const long long INF = LLONG_MAX; signed main() { ios::sync_with_stdio(false); cin.tie(0); int t; cin >> t; auto is_valid = [&] (long long h[]) -> bool { if (h[0] <= 0 || h[1] <= 0 || h[2] <= 0) return false; if (h[0] == h[1] || h[1] == h[2] || h[2] == h[0]) return false; if (h[1] > h[0] && h[1] > h[2]) return true; if (h[1] < h[0] && h[1] < h[2]) return true; return false; }; auto calc = [&] (long long h[], long long c[]) -> long long { if (h[2] > h[0]) swap(h[0], h[2]), swap(c[0], c[2]); long long res = INF; if (is_valid(h)) return 0; long long g[3] = {h[1] - 1, h[1], h[2]}; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); if (g[0] == g[2]) { g[0]--; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); g[0]++; g[2]--; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); } g[0] = h[0], g[1] = h[2] - 1, g[2] = h[2]; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); if (h[0] == h[2]) { g[0] = h[0]; g[1] = h[0] - 2; g[2] = h[2] - 1; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); g[0] = h[0] - 1; g[1] = h[2] - 2; g[2] = h[2]; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); g[0] = h[0] - 1; g[1] = h[1]; g[2] = h[2]; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); g[0] = h[0]; g[1] = h[1]; g[2] = h[2] - 1; if (is_valid(g)) res = min(res, c[0] * (h[0] - g[0]) + c[1] * (h[1] - g[1]) + c[2] * (h[2] - g[2])); } return res; }; auto solve = [&] () -> long long { long long h[3]; cin >> h[0] >> h[1] >> h[2]; long long c[3]; // cin >> c[0] >> c[1] >> c[2]; c[0] = c[1] = c[2] = 1; long long res = calc(h, c); return res == INF ? -1 : res; }; while (t--) cout << solve () << '\n'; return 0; }