use tempdb;
go
set nocount on;
drop table if exists t1;
create table t1(a int identity primary key, b int, c int, d binary(2000) default 0x1);
insert t1(b, c) select top(10000) v1.number, v1.number from master..spt_values v1, master..spt_values v2;
create index ix on t1(b) include(c);
--create index ix on t1(b,c);

select * from t1 --with(forceseek)
where
b=1 and c=1 or b=2 and c=2 or b=3 and c=3 or b=4 and c=4 or b=5 and c=5
or b=6 and c=6 or b=7 and c=7 or b=8 and c=8 or b=9 and c=9 or b=10 and c=10
or b=11 and c=11 or b=12 and c=12 or b=13 and c=13 or b=14 and c=14 or b=15 and c=15
or b=16 and c=16 or b=17 and c=17 or b=18 and c=18 or b=19 and c=19 or b=20 and c=20
or b=21 and c=21 or b=22 and c=22 or b=23 and c=23 or b=24 and c=24 or b=25 and c=25
or b=26 and c=26 or b=27 and c=27 or b=28 and c=28 or b=29 and c=29 or b=30 and c=30
or b=31 and c=31 or b=32 and c=32 or b=33 and c=33 or b=34 and c=34 or b=35 and c=35
or b=36 and c=36 or b=37 and c=37 or b=38 and c=38 or b=39 and c=39 or b=40 and c=40
or b=41 and c=41 or b=42 and c=42 or b=43 and c=43 or b=44 and c=44 or b=45 and c=45
or b=46 and c=46 or b=47 and c=47 or b=48 and c=48 or b=49 and c=49 or b=50 and c=50
or b=51 and c=51 or b=52 and c=52 or b=53 and c=53 or b=54 and c=54 or b=55 and c=55
or b=56 and c=56 or b=57 and c=57 or b=58 and c=85 or b=59 and c=59 or b=60 and c=60
or b=61 and c=61 or b=62 and c=62 or b=63 and c=63 or b=64 and c=64 
-- Comment this and there will be 64 Seeks:
or b=65 and c=65
;

use tempdb;
go
drop table if exists t2;
create table t2(a int primary key);
go
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 union all
select * from t2 union all select * from t2 union all select * from t2 union all select * from t2 
--union all select * from t2
option(merge union)