import java.util.Scanner;
public class Kattis {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
StringBuilder sb = new StringBuilder();
int cases = Integer.parseInt(sc.nextLine());
for (int i = 0; i < cases; i++) {
String line = sc.nextLine();
int rowlen = (int)Math.sqrt(line.length());
for (int j = rowlen-1; j >=0; j--) {
for (int k = j; k < line.length(); k+=rowlen) {
sb.append(line.charAt(k));
}
}
sb.append(System.lineSeparator());
}
System.out.println(sb);
}
}