2 readers and 2 writers making 5 accesses each
read: 0
read: 0
read: 0
read: 0
read: 99999
read: 99999
read: 99999
read: 99999
read: 99999
read: 99999
wrote: 1
wrote: 100000
wrote: 100001
wrote: 100002
wrote: 100000
wrote: 100003
wrote: 100001
wrote: 100002
wrote: 100003
wrote: 100000