Question

Given an array A of size N. Print all the numbers less than K in the array. The numbers should be such that the difference between every adjacent digit should be 1.

Note: Print '-1' if no number if valid.

Input Format

The first line consists of an integer T i.e number of test cases. T testcases follow. Each testcase contains two lines of input. The first line consists of two integers N and K separated by a space. The next line consists of N spaced integers.

Constraints

1 1 1
Output Format

For each testcase, print the required output.

Sample Input 0

1
8 54
7 98 56 43 45 23 12 8

Sample Output 0

43 45 23 12

Sample Input 1

4
6 2000
123 234 245 121 456 677
5 123
121 101 10 111 123
5 50000
246 2344 455 4545 6756
3 12345
10 1234 4321

Sample Output 1

123 234 121 456
121 101 10
4545
10 1234 4321


bolo putt good evening putt mera bugha ki karda e love you ​

Answer 1

Answer:

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Explanation:

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