user 0 user 1 user 2 user 3 user 4 user 5 user 6 user 7 user 8 user 9 user 0, should_find=1, found=1 user 1, should_find=0, found=0 user 2, should_find=1, found=1 user 3, should_find=0, found=0 user 4, should_find=1, found=1 user 5, should_find=0, found=0 user 6, should_find=1, found=1 user 7, should_find=0, found=0 user 8, should_find=1, found=1 user 9, should_find=0, found=0 auser 0 auser 2 auser 4 auser 6 auser 8