function arrInt(arr) {
    return arr.map(str => parseInt(str, 10));
}
function Main(input) {
    let src = input.split("\n")
    let n = parseInt(src[0]);
    for (let i = 1; i <= n; i++) {
        let line = arrInt(src[i].split(" "));
        line.shift();
        line.sort((a, b) => b - a);
        let result = line.join(" ");
        console.log(result);
    }
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));