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    solution in java

    Scanner scanner = new Scanner (System.in); StringBuilder even = new StringBuilder(); StringBuilder odd = new StringBuilder();

    int t= scanner.nextInt();
    scanner.nextLine();
    for(int i=0; i<t;i++){
        String testCase = scanner.nextLine();
    
        for(int j=0;j<testCase.length();j++){
            if(j%2==0){
                even.append(testCase.charAt(j));
            }else{
                odd.append(testCase.charAt(j));
            }
        }
        System.out.println(even.toString().trim() + " " + odd.toString().trim());
        even.setLength(0);
        odd.setLength(0);
    
    }
    
    scanner.close();