4 pages
counter = 4 bits
3 ticks

pages 1, 2, 3, 4, 8, 3, 4, 8, 7

Empty	Empty	Empty	Empty
0000	0000	0000	0000

next is 1, 2, 3, 4, 8, 3, 4, 8, 7
1	Empty	Empty	Empty
1000	0000	0000	0000

next is 2, 3, 4, 8, 3, 4, 8, 7
1	2	Empty	Empty
0100	1000	0000	0000

next is 3, 4, 8, 3, 4, 8, 7
1	2	3	Empty
00100	0100	1000	0000

next is 4, 8, 3, 4, 8, 7
1	2	3	4
0001	0010	0100	1000

next is 8, 3, 4, 8, 7
8	2	3	4
1000	0001	0010	0100

next is 3, 4, 8, 7
do nothing, but
counter for 3 has to be updated
8	2	3	4
1000	0001	0010	0100

next is 4, 8, 7
do nothing, but
counter for 3 has to be updated
counter for 4 has to be updated
8	2	3	4
1000	0001	0010	0100

next is 8, 7
since 3 updates need to be done and the maximum tick is 3, we have to
update counter for 3
update counter for 4
update counter for 8
8	2	3	4
1100	0000	1001	1010

next is 7
8	7	3	4
0110	1000	0100	0101