input:

3
0 0
0 1
0 2
3
0 0
0 1
1 0
6
0 0
0 1
0 2
0 3
1 1
1 2

output:

j=1:
j=3:
j=2:
3
j=1:
j=3:
j=2:
0
j=4:
j=6:
j=2:
j=1:
j=5:
j=3:
0

result:

wrong answer 1st lines differ - expected: '3', found: 'j=1:'