insert 0 hello 1
search 0 1
search 1 0
remove 0 0
insert 0 hello
insert 1 how
insert 2 are
insert 3 you
insert 4 today
insert 5 sir
insert 6 ?
sync
search 0 1
search 2 1
search 3 1
search 1 1
search 4 1
search 5 1
search 7 0
remove 6
sync
print
sync
search 6 0
search 5 1
sync
remove 0
Update test to support concurrency
Update test to support concurrency
