1, 2, 5, 1, 2, 5, 1, 2, 5 - will print 3
3, 6, 3, 6, 3, 6, 3, 6 - will print 4
4, 1, 28, 0, 4, 1, 28, 0 -will print 2

3, 5, 17, 3, 17, 5 - will print 0
4, 1, 28, 0, 4, 1, 28 - will print 0