input:

100
645637224 8
397815246 8
239758591 7
152472214 2
485635752 8
128947635 5
938124675 8
311384311 8
665595968 7
284675191 6
3596920 776160768
428993752 4
796354812 4
342871569 7
952970714 2
399469166 8
774997047 1
534968712 5
574918236 3
564999511 645561291
791543286 7
171222224 7
319647582 2
241573...

output:

2 9
3 8
5 7
1 6
3 5
3 4
1 3
223445667 766544322
5 9
3 8
5 7
2 6
4 5
1 4
1 3
123456789 987654321
1 9
1 8
1 7
3 6
3 4
1 2
123557899 998755321
2 9
2 8
112472254 754212214
1 9
5 8
1 7
1 6
2 5
1 3
1 2
234555678 876555432
2 7
5 6
1 5
3 4
123456789 987652134
6 9
5 8
5 7
4 6
1 5
3 4
2 3
1 2
123456789 987654...

result:

wrong answer 1st lines differ - expected: '223445667 766544322', found: '2 9'